diff --git a/docs/prebuilt-indexes.md b/docs/prebuilt-indexes.md
index 6043442a5..18f8a9bfa 100644
--- a/docs/prebuilt-indexes.md
+++ b/docs/prebuilt-indexes.md
@@ -898,6 +898,122 @@ Detailed configuration information for the pre-built indexes are stored in [`pys
[readme]
Lucene impact index of BEIR (v1.0.0): SciFact encoded by SPLADE-distill CoCodenser-medium
+beir-v1.0.0-trec-covid.splade-pp-ed
+[readme]
+Lucene impact index of BEIR (v1.0.0): TREC-COVID encoded by SPLADE++ (CoCondenser-EnsembleDistil)
+
+beir-v1.0.0-bioasq.splade-pp-ed
+[readme]
+Lucene impact index of BEIR (v1.0.0): BioASQ encoded by SPLADE++ (CoCondenser-EnsembleDistil)
+
+beir-v1.0.0-nfcorpus.splade-pp-ed
+[readme]
+Lucene impact index of BEIR (v1.0.0): NFCorpus encoded by SPLADE++ (CoCondenser-EnsembleDistil)
+
+beir-v1.0.0-nq.splade-pp-ed
+[readme]
+Lucene impact index of BEIR (v1.0.0): NQ encoded by SPLADE++ (CoCondenser-EnsembleDistil)
+
+beir-v1.0.0-hotpotqa.splade-pp-ed
+[readme]
+Lucene impact index of BEIR (v1.0.0): HotpotQA encoded by SPLADE++ (CoCondenser-EnsembleDistil)
+
+beir-v1.0.0-fiqa.splade-pp-ed
+[readme]
+Lucene impact index of BEIR (v1.0.0): FiQA-2018 encoded by SPLADE++ (CoCondenser-EnsembleDistil)
+
+beir-v1.0.0-signal1m.splade-pp-ed
+[readme]
+Lucene impact index of BEIR (v1.0.0): Signal-1M encoded by SPLADE++ (CoCondenser-EnsembleDistil)
+
+beir-v1.0.0-trec-news.splade-pp-ed
+[readme]
+Lucene impact index of BEIR (v1.0.0): TREC-NEWS encoded by SPLADE++ (CoCondenser-EnsembleDistil)
+
+beir-v1.0.0-robust04.splade-pp-ed
+[readme]
+Lucene impact index of BEIR (v1.0.0): Robust04 encoded by SPLADE++ (CoCondenser-EnsembleDistil)
+
+beir-v1.0.0-arguana.splade-pp-ed
+[readme]
+Lucene impact index of BEIR (v1.0.0): ArguAna encoded by SPLADE++ (CoCondenser-EnsembleDistil)
+
+beir-v1.0.0-webis-touche2020.splade-pp-ed
+[readme]
+Lucene impact index of BEIR (v1.0.0): Webis-Touche2020 encoded by SPLADE++ (CoCondenser-EnsembleDistil)
+
+beir-v1.0.0-cqadupstack-android.splade-pp-ed
+[readme]
+Lucene impact index of BEIR (v1.0.0): CQADupStack-android encoded by SPLADE++ (CoCondenser-EnsembleDistil)
+
+beir-v1.0.0-cqadupstack-english.splade-pp-ed
+[readme]
+Lucene impact index of BEIR (v1.0.0): CQADupStack-english encoded by SPLADE++ (CoCondenser-EnsembleDistil)
+
+beir-v1.0.0-cqadupstack-gaming.splade-pp-ed
+[readme]
+Lucene impact index of BEIR (v1.0.0): CQADupStack-gaming encoded by SPLADE++ (CoCondenser-EnsembleDistil)
+
+beir-v1.0.0-cqadupstack-gis.splade-pp-ed
+[readme]
+Lucene impact index of BEIR (v1.0.0): CQADupStack-gis encoded by SPLADE++ (CoCondenser-EnsembleDistil)
+
+beir-v1.0.0-cqadupstack-mathematica.splade-pp-ed
+[readme]
+Lucene impact index of BEIR (v1.0.0): CQADupStack-mathematica encoded by SPLADE++ (CoCondenser-EnsembleDistil)
+
+beir-v1.0.0-cqadupstack-physics.splade-pp-ed
+[readme]
+Lucene impact index of BEIR (v1.0.0): CQADupStack-physics encoded by SPLADE++ (CoCondenser-EnsembleDistil)
+
+beir-v1.0.0-cqadupstack-programmers.splade-pp-ed
+[readme]
+Lucene impact index of BEIR (v1.0.0): CQADupStack-programmers encoded by SPLADE++ (CoCondenser-EnsembleDistil)
+
+beir-v1.0.0-cqadupstack-stats.splade-pp-ed
+[readme]
+Lucene impact index of BEIR (v1.0.0): CQADupStack-stats encoded by SPLADE++ (CoCondenser-EnsembleDistil)
+
+beir-v1.0.0-cqadupstack-tex.splade-pp-ed
+[readme]
+Lucene impact index of BEIR (v1.0.0): CQADupStack-tex encoded by SPLADE++ (CoCondenser-EnsembleDistil)
+
+beir-v1.0.0-cqadupstack-unix.splade-pp-ed
+[readme]
+Lucene impact index of BEIR (v1.0.0): CQADupStack-unix encoded by SPLADE++ (CoCondenser-EnsembleDistil)
+
+beir-v1.0.0-cqadupstack-webmasters.splade-pp-ed
+[readme]
+Lucene impact index of BEIR (v1.0.0): CQADupStack-webmasters encoded by SPLADE++ (CoCondenser-EnsembleDistil)
+
+beir-v1.0.0-cqadupstack-wordpress.splade-pp-ed
+[readme]
+Lucene impact index of BEIR (v1.0.0): CQADupStack-wordpress encoded by SPLADE++ (CoCondenser-EnsembleDistil)
+
+beir-v1.0.0-quora.splade-pp-ed
+[readme]
+Lucene impact index of BEIR (v1.0.0): Quora encoded by SPLADE++ (CoCondenser-EnsembleDistil)
+
+beir-v1.0.0-dbpedia-entity.splade-pp-ed
+[readme]
+Lucene impact index of BEIR (v1.0.0): DBPedia encoded by SPLADE++ (CoCondenser-EnsembleDistil)
+
+beir-v1.0.0-scidocs.splade-pp-ed
+[readme]
+Lucene impact index of BEIR (v1.0.0): SCIDOCS encoded by SPLADE++ (CoCondenser-EnsembleDistil)
+
+beir-v1.0.0-fever.splade-pp-ed
+[readme]
+Lucene impact index of BEIR (v1.0.0): FEVER encoded by SPLADE++ (CoCondenser-EnsembleDistil)
+
+beir-v1.0.0-climate-fever.splade-pp-ed
+[readme]
+Lucene impact index of BEIR (v1.0.0): Climate-FEVER encoded by SPLADE++ (CoCondenser-EnsembleDistil)
+
+beir-v1.0.0-scifact.splade-pp-ed
+[readme]
+Lucene impact index of BEIR (v1.0.0): SciFact encoded by SPLADE++ (CoCondenser-EnsembleDistil)
+
diff --git a/pyserini/prebuilt_index_info.py b/pyserini/prebuilt_index_info.py
index 940738352..06dfd3f3f 100644
--- a/pyserini/prebuilt_index_info.py
+++ b/pyserini/prebuilt_index_info.py
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+ "https://rgw.cs.uwaterloo.ca/pyserini/indexes/lucene-index.beir-v1.0.0-quora.splade-pp-ed.20231124.a66f86f.tar.gz"
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+ "https://rgw.cs.uwaterloo.ca/pyserini/indexes/lucene-index.beir-v1.0.0-scidocs.splade-pp-ed.20231124.a66f86f.tar.gz"
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+ "readme": "lucene-index.beir-v1.0.0-scifact.splade-pp-ed.20231124.a66f86f.README.md",
+ "urls": [
+ "https://rgw.cs.uwaterloo.ca/pyserini/indexes/lucene-index.beir-v1.0.0-scifact.splade-pp-ed.20231124.a66f86f.tar.gz"
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+ "https://rgw.cs.uwaterloo.ca/pyserini/indexes/lucene-index.beir-v1.0.0-signal1m.splade-pp-ed.20231124.a66f86f.tar.gz"
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+ "description": "Lucene impact index of BEIR (v1.0.0): TREC-COVID encoded by SPLADE++ (CoCondenser-EnsembleDistil)",
+ "filename": "lucene-index.beir-v1.0.0-trec-covid.splade-pp-ed.20231124.a66f86f.tar.gz",
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+ "urls": [
+ "https://rgw.cs.uwaterloo.ca/pyserini/indexes/lucene-index.beir-v1.0.0-trec-covid.splade-pp-ed.20231124.a66f86f.tar.gz"
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+ "description": "Lucene impact index of BEIR (v1.0.0): TREC-NEWS encoded by SPLADE++ (CoCondenser-EnsembleDistil)",
+ "filename": "lucene-index.beir-v1.0.0-trec-news.splade-pp-ed.20231124.a66f86f.tar.gz",
+ "readme": "lucene-index.beir-v1.0.0-trec-news.splade-pp-ed.20231124.a66f86f.README.md",
+ "urls": [
+ "https://rgw.cs.uwaterloo.ca/pyserini/indexes/lucene-index.beir-v1.0.0-trec-news.splade-pp-ed.20231124.a66f86f.tar.gz"
+ ],
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+ "description": "Lucene impact index of BEIR (v1.0.0): Webis-Touche2020 encoded by SPLADE++ (CoCondenser-EnsembleDistil)",
+ "filename": "lucene-index.beir-v1.0.0-webis-touche2020.splade-pp-ed.20231124.a66f86f.tar.gz",
+ "readme": "lucene-index.beir-v1.0.0-webis-touche2020.splade-pp-ed.20231124.a66f86f.README.md",
+ "urls": [
+ "https://rgw.cs.uwaterloo.ca/pyserini/indexes/lucene-index.beir-v1.0.0-webis-touche2020.splade-pp-ed.20231124.a66f86f.tar.gz"
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diff --git a/pyserini/resources/index-metadata/lucene-index.beir-v1.0.0-arguana.splade-pp-ed.20231124.a66f86f.README.md b/pyserini/resources/index-metadata/lucene-index.beir-v1.0.0-arguana.splade-pp-ed.20231124.a66f86f.README.md
new file mode 100644
index 000000000..edf1ec154
--- /dev/null
+++ b/pyserini/resources/index-metadata/lucene-index.beir-v1.0.0-arguana.splade-pp-ed.20231124.a66f86f.README.md
@@ -0,0 +1,13 @@
+# BEIR (v1.0.0) - ArguAna
+
+This Lucene impact index for SPLADE++ (CoCondenser-EnsembleDistil)" was generated on 2023/11/24 at Anserini commit [`a66f86f`](https://github.com/castorini/anserini/commit/a66f86fb463db76df521f58992b000dd4ab39548) on `orca` with the following command:
+
+```
+nohup target/appassembler/bin/IndexCollection \
+ -collection JsonVectorCollection \
+ -generator DefaultLuceneDocumentGenerator \
+ -input /store/collections/beir-v1.0.0/splade-pp-ed/arguana \
+ -index indexes/lucene-index.beir-v1.0.0-arguana.splade-pp-ed.20231124.a66f86f \
+ -threads 16 -impact -pretokenized -optimize \
+ >& logs/log.beir-v1.0.0--arguana.splade-pp-ed.20231124.a66f86f &
+```
diff --git a/pyserini/resources/index-metadata/lucene-index.beir-v1.0.0-bioasq.splade-pp-ed.20231124.a66f86f.README.md b/pyserini/resources/index-metadata/lucene-index.beir-v1.0.0-bioasq.splade-pp-ed.20231124.a66f86f.README.md
new file mode 100644
index 000000000..5982b89a4
--- /dev/null
+++ b/pyserini/resources/index-metadata/lucene-index.beir-v1.0.0-bioasq.splade-pp-ed.20231124.a66f86f.README.md
@@ -0,0 +1,13 @@
+# BEIR (v1.0.0) - BioASQ
+
+This Lucene impact index for SPLADE++ (CoCondenser-EnsembleDistil)" was generated on 2023/11/24 at Anserini commit [`a66f86f`](https://github.com/castorini/anserini/commit/a66f86fb463db76df521f58992b000dd4ab39548) on `orca` with the following command:
+
+```
+nohup target/appassembler/bin/IndexCollection \
+ -collection JsonVectorCollection \
+ -generator DefaultLuceneDocumentGenerator \
+ -input /store/collections/beir-v1.0.0/splade-pp-ed/bioasq \
+ -index indexes/lucene-index.beir-v1.0.0-bioasq.splade-pp-ed.20231124.a66f86f \
+ -threads 16 -impact -pretokenized -optimize \
+ >& logs/log.beir-v1.0.0--bioasq.splade-pp-ed.20231124.a66f86f &
+```
diff --git a/pyserini/resources/index-metadata/lucene-index.beir-v1.0.0-climate-fever.splade-pp-ed.20231124.a66f86f.README.md b/pyserini/resources/index-metadata/lucene-index.beir-v1.0.0-climate-fever.splade-pp-ed.20231124.a66f86f.README.md
new file mode 100644
index 000000000..93b79d5f4
--- /dev/null
+++ b/pyserini/resources/index-metadata/lucene-index.beir-v1.0.0-climate-fever.splade-pp-ed.20231124.a66f86f.README.md
@@ -0,0 +1,13 @@
+# BEIR (v1.0.0) - Climate-FEVER
+
+This Lucene impact index for SPLADE++ (CoCondenser-EnsembleDistil)" was generated on 2023/11/24 at Anserini commit [`a66f86f`](https://github.com/castorini/anserini/commit/a66f86fb463db76df521f58992b000dd4ab39548) on `orca` with the following command:
+
+```
+nohup target/appassembler/bin/IndexCollection \
+ -collection JsonVectorCollection \
+ -generator DefaultLuceneDocumentGenerator \
+ -input /store/collections/beir-v1.0.0/splade-pp-ed/climate-fever \
+ -index indexes/lucene-index.beir-v1.0.0-climate-fever.splade-pp-ed.20231124.a66f86f \
+ -threads 16 -impact -pretokenized -optimize \
+ >& logs/log.beir-v1.0.0--climate-fever.splade-pp-ed.20231124.a66f86f &
+```
diff --git a/pyserini/resources/index-metadata/lucene-index.beir-v1.0.0-cqadupstack-android.splade-pp-ed.20231124.a66f86f.README.md b/pyserini/resources/index-metadata/lucene-index.beir-v1.0.0-cqadupstack-android.splade-pp-ed.20231124.a66f86f.README.md
new file mode 100644
index 000000000..4b71eeea7
--- /dev/null
+++ b/pyserini/resources/index-metadata/lucene-index.beir-v1.0.0-cqadupstack-android.splade-pp-ed.20231124.a66f86f.README.md
@@ -0,0 +1,13 @@
+# BEIR (v1.0.0) - CQADupStack-android
+
+This Lucene impact index for SPLADE++ (CoCondenser-EnsembleDistil)" was generated on 2023/11/24 at Anserini commit [`a66f86f`](https://github.com/castorini/anserini/commit/a66f86fb463db76df521f58992b000dd4ab39548) on `orca` with the following command:
+
+```
+nohup target/appassembler/bin/IndexCollection \
+ -collection JsonVectorCollection \
+ -generator DefaultLuceneDocumentGenerator \
+ -input /store/collections/beir-v1.0.0/splade-pp-ed/cqadupstack-android \
+ -index indexes/lucene-index.beir-v1.0.0-cqadupstack-android.splade-pp-ed.20231124.a66f86f \
+ -threads 16 -impact -pretokenized -optimize \
+ >& logs/log.beir-v1.0.0--cqadupstack-android.splade-pp-ed.20231124.a66f86f &
+```
diff --git a/pyserini/resources/index-metadata/lucene-index.beir-v1.0.0-cqadupstack-english.splade-pp-ed.20231124.a66f86f.README.md b/pyserini/resources/index-metadata/lucene-index.beir-v1.0.0-cqadupstack-english.splade-pp-ed.20231124.a66f86f.README.md
new file mode 100644
index 000000000..99e6fb2b6
--- /dev/null
+++ b/pyserini/resources/index-metadata/lucene-index.beir-v1.0.0-cqadupstack-english.splade-pp-ed.20231124.a66f86f.README.md
@@ -0,0 +1,13 @@
+# BEIR (v1.0.0) - CQADupStack-english
+
+This Lucene impact index for SPLADE++ (CoCondenser-EnsembleDistil)" was generated on 2023/11/24 at Anserini commit [`a66f86f`](https://github.com/castorini/anserini/commit/a66f86fb463db76df521f58992b000dd4ab39548) on `orca` with the following command:
+
+```
+nohup target/appassembler/bin/IndexCollection \
+ -collection JsonVectorCollection \
+ -generator DefaultLuceneDocumentGenerator \
+ -input /store/collections/beir-v1.0.0/splade-pp-ed/cqadupstack-english \
+ -index indexes/lucene-index.beir-v1.0.0-cqadupstack-english.splade-pp-ed.20231124.a66f86f \
+ -threads 16 -impact -pretokenized -optimize \
+ >& logs/log.beir-v1.0.0--cqadupstack-english.splade-pp-ed.20231124.a66f86f &
+```
diff --git a/pyserini/resources/index-metadata/lucene-index.beir-v1.0.0-cqadupstack-gaming.splade-pp-ed.20231124.a66f86f.README.md b/pyserini/resources/index-metadata/lucene-index.beir-v1.0.0-cqadupstack-gaming.splade-pp-ed.20231124.a66f86f.README.md
new file mode 100644
index 000000000..fa467adda
--- /dev/null
+++ b/pyserini/resources/index-metadata/lucene-index.beir-v1.0.0-cqadupstack-gaming.splade-pp-ed.20231124.a66f86f.README.md
@@ -0,0 +1,13 @@
+# BEIR (v1.0.0) - CQADupStack-gaming
+
+This Lucene impact index for SPLADE++ (CoCondenser-EnsembleDistil)" was generated on 2023/11/24 at Anserini commit [`a66f86f`](https://github.com/castorini/anserini/commit/a66f86fb463db76df521f58992b000dd4ab39548) on `orca` with the following command:
+
+```
+nohup target/appassembler/bin/IndexCollection \
+ -collection JsonVectorCollection \
+ -generator DefaultLuceneDocumentGenerator \
+ -input /store/collections/beir-v1.0.0/splade-pp-ed/cqadupstack-gaming \
+ -index indexes/lucene-index.beir-v1.0.0-cqadupstack-gaming.splade-pp-ed.20231124.a66f86f \
+ -threads 16 -impact -pretokenized -optimize \
+ >& logs/log.beir-v1.0.0--cqadupstack-gaming.splade-pp-ed.20231124.a66f86f &
+```
diff --git a/pyserini/resources/index-metadata/lucene-index.beir-v1.0.0-cqadupstack-gis.splade-pp-ed.20231124.a66f86f.README.md b/pyserini/resources/index-metadata/lucene-index.beir-v1.0.0-cqadupstack-gis.splade-pp-ed.20231124.a66f86f.README.md
new file mode 100644
index 000000000..2681a4dc6
--- /dev/null
+++ b/pyserini/resources/index-metadata/lucene-index.beir-v1.0.0-cqadupstack-gis.splade-pp-ed.20231124.a66f86f.README.md
@@ -0,0 +1,13 @@
+# BEIR (v1.0.0) - CQADupStack-gis
+
+This Lucene impact index for SPLADE++ (CoCondenser-EnsembleDistil)" was generated on 2023/11/24 at Anserini commit [`a66f86f`](https://github.com/castorini/anserini/commit/a66f86fb463db76df521f58992b000dd4ab39548) on `orca` with the following command:
+
+```
+nohup target/appassembler/bin/IndexCollection \
+ -collection JsonVectorCollection \
+ -generator DefaultLuceneDocumentGenerator \
+ -input /store/collections/beir-v1.0.0/splade-pp-ed/cqadupstack-gis \
+ -index indexes/lucene-index.beir-v1.0.0-cqadupstack-gis.splade-pp-ed.20231124.a66f86f \
+ -threads 16 -impact -pretokenized -optimize \
+ >& logs/log.beir-v1.0.0--cqadupstack-gis.splade-pp-ed.20231124.a66f86f &
+```
diff --git a/pyserini/resources/index-metadata/lucene-index.beir-v1.0.0-cqadupstack-mathematica.splade-pp-ed.20231124.a66f86f.README.md b/pyserini/resources/index-metadata/lucene-index.beir-v1.0.0-cqadupstack-mathematica.splade-pp-ed.20231124.a66f86f.README.md
new file mode 100644
index 000000000..914d50450
--- /dev/null
+++ b/pyserini/resources/index-metadata/lucene-index.beir-v1.0.0-cqadupstack-mathematica.splade-pp-ed.20231124.a66f86f.README.md
@@ -0,0 +1,13 @@
+# BEIR (v1.0.0) - CQADupStack-mathematica
+
+This Lucene impact index for SPLADE++ (CoCondenser-EnsembleDistil)" was generated on 2023/11/24 at Anserini commit [`a66f86f`](https://github.com/castorini/anserini/commit/a66f86fb463db76df521f58992b000dd4ab39548) on `orca` with the following command:
+
+```
+nohup target/appassembler/bin/IndexCollection \
+ -collection JsonVectorCollection \
+ -generator DefaultLuceneDocumentGenerator \
+ -input /store/collections/beir-v1.0.0/splade-pp-ed/cqadupstack-mathematica \
+ -index indexes/lucene-index.beir-v1.0.0-cqadupstack-mathematica.splade-pp-ed.20231124.a66f86f \
+ -threads 16 -impact -pretokenized -optimize \
+ >& logs/log.beir-v1.0.0--cqadupstack-mathematica.splade-pp-ed.20231124.a66f86f &
+```
diff --git a/pyserini/resources/index-metadata/lucene-index.beir-v1.0.0-cqadupstack-physics.splade-pp-ed.20231124.a66f86f.README.md b/pyserini/resources/index-metadata/lucene-index.beir-v1.0.0-cqadupstack-physics.splade-pp-ed.20231124.a66f86f.README.md
new file mode 100644
index 000000000..bcc452def
--- /dev/null
+++ b/pyserini/resources/index-metadata/lucene-index.beir-v1.0.0-cqadupstack-physics.splade-pp-ed.20231124.a66f86f.README.md
@@ -0,0 +1,13 @@
+# BEIR (v1.0.0) - CQADupStack-physics
+
+This Lucene impact index for SPLADE++ (CoCondenser-EnsembleDistil)" was generated on 2023/11/24 at Anserini commit [`a66f86f`](https://github.com/castorini/anserini/commit/a66f86fb463db76df521f58992b000dd4ab39548) on `orca` with the following command:
+
+```
+nohup target/appassembler/bin/IndexCollection \
+ -collection JsonVectorCollection \
+ -generator DefaultLuceneDocumentGenerator \
+ -input /store/collections/beir-v1.0.0/splade-pp-ed/cqadupstack-physics \
+ -index indexes/lucene-index.beir-v1.0.0-cqadupstack-physics.splade-pp-ed.20231124.a66f86f \
+ -threads 16 -impact -pretokenized -optimize \
+ >& logs/log.beir-v1.0.0--cqadupstack-physics.splade-pp-ed.20231124.a66f86f &
+```
diff --git a/pyserini/resources/index-metadata/lucene-index.beir-v1.0.0-cqadupstack-programmers.splade-pp-ed.20231124.a66f86f.README.md b/pyserini/resources/index-metadata/lucene-index.beir-v1.0.0-cqadupstack-programmers.splade-pp-ed.20231124.a66f86f.README.md
new file mode 100644
index 000000000..b9f15c7f7
--- /dev/null
+++ b/pyserini/resources/index-metadata/lucene-index.beir-v1.0.0-cqadupstack-programmers.splade-pp-ed.20231124.a66f86f.README.md
@@ -0,0 +1,13 @@
+# BEIR (v1.0.0) - CQADupStack-programmers
+
+This Lucene impact index for SPLADE++ (CoCondenser-EnsembleDistil)" was generated on 2023/11/24 at Anserini commit [`a66f86f`](https://github.com/castorini/anserini/commit/a66f86fb463db76df521f58992b000dd4ab39548) on `orca` with the following command:
+
+```
+nohup target/appassembler/bin/IndexCollection \
+ -collection JsonVectorCollection \
+ -generator DefaultLuceneDocumentGenerator \
+ -input /store/collections/beir-v1.0.0/splade-pp-ed/cqadupstack-programmers \
+ -index indexes/lucene-index.beir-v1.0.0-cqadupstack-programmers.splade-pp-ed.20231124.a66f86f \
+ -threads 16 -impact -pretokenized -optimize \
+ >& logs/log.beir-v1.0.0--cqadupstack-programmers.splade-pp-ed.20231124.a66f86f &
+```
diff --git a/pyserini/resources/index-metadata/lucene-index.beir-v1.0.0-cqadupstack-stats.splade-pp-ed.20231124.a66f86f.README.md b/pyserini/resources/index-metadata/lucene-index.beir-v1.0.0-cqadupstack-stats.splade-pp-ed.20231124.a66f86f.README.md
new file mode 100644
index 000000000..e6dff042c
--- /dev/null
+++ b/pyserini/resources/index-metadata/lucene-index.beir-v1.0.0-cqadupstack-stats.splade-pp-ed.20231124.a66f86f.README.md
@@ -0,0 +1,13 @@
+# BEIR (v1.0.0) - CQADupStack-stats
+
+This Lucene impact index for SPLADE++ (CoCondenser-EnsembleDistil)" was generated on 2023/11/24 at Anserini commit [`a66f86f`](https://github.com/castorini/anserini/commit/a66f86fb463db76df521f58992b000dd4ab39548) on `orca` with the following command:
+
+```
+nohup target/appassembler/bin/IndexCollection \
+ -collection JsonVectorCollection \
+ -generator DefaultLuceneDocumentGenerator \
+ -input /store/collections/beir-v1.0.0/splade-pp-ed/cqadupstack-stats \
+ -index indexes/lucene-index.beir-v1.0.0-cqadupstack-stats.splade-pp-ed.20231124.a66f86f \
+ -threads 16 -impact -pretokenized -optimize \
+ >& logs/log.beir-v1.0.0--cqadupstack-stats.splade-pp-ed.20231124.a66f86f &
+```
diff --git a/pyserini/resources/index-metadata/lucene-index.beir-v1.0.0-cqadupstack-tex.splade-pp-ed.20231124.a66f86f.README.md b/pyserini/resources/index-metadata/lucene-index.beir-v1.0.0-cqadupstack-tex.splade-pp-ed.20231124.a66f86f.README.md
new file mode 100644
index 000000000..f62809ede
--- /dev/null
+++ b/pyserini/resources/index-metadata/lucene-index.beir-v1.0.0-cqadupstack-tex.splade-pp-ed.20231124.a66f86f.README.md
@@ -0,0 +1,13 @@
+# BEIR (v1.0.0) - CQADupStack-tex
+
+This Lucene impact index for SPLADE++ (CoCondenser-EnsembleDistil)" was generated on 2023/11/24 at Anserini commit [`a66f86f`](https://github.com/castorini/anserini/commit/a66f86fb463db76df521f58992b000dd4ab39548) on `orca` with the following command:
+
+```
+nohup target/appassembler/bin/IndexCollection \
+ -collection JsonVectorCollection \
+ -generator DefaultLuceneDocumentGenerator \
+ -input /store/collections/beir-v1.0.0/splade-pp-ed/cqadupstack-tex \
+ -index indexes/lucene-index.beir-v1.0.0-cqadupstack-tex.splade-pp-ed.20231124.a66f86f \
+ -threads 16 -impact -pretokenized -optimize \
+ >& logs/log.beir-v1.0.0--cqadupstack-tex.splade-pp-ed.20231124.a66f86f &
+```
diff --git a/pyserini/resources/index-metadata/lucene-index.beir-v1.0.0-cqadupstack-unix.splade-pp-ed.20231124.a66f86f.README.md b/pyserini/resources/index-metadata/lucene-index.beir-v1.0.0-cqadupstack-unix.splade-pp-ed.20231124.a66f86f.README.md
new file mode 100644
index 000000000..5b70c88fa
--- /dev/null
+++ b/pyserini/resources/index-metadata/lucene-index.beir-v1.0.0-cqadupstack-unix.splade-pp-ed.20231124.a66f86f.README.md
@@ -0,0 +1,13 @@
+# BEIR (v1.0.0) - CQADupStack-unix
+
+This Lucene impact index for SPLADE++ (CoCondenser-EnsembleDistil)" was generated on 2023/11/24 at Anserini commit [`a66f86f`](https://github.com/castorini/anserini/commit/a66f86fb463db76df521f58992b000dd4ab39548) on `orca` with the following command:
+
+```
+nohup target/appassembler/bin/IndexCollection \
+ -collection JsonVectorCollection \
+ -generator DefaultLuceneDocumentGenerator \
+ -input /store/collections/beir-v1.0.0/splade-pp-ed/cqadupstack-unix \
+ -index indexes/lucene-index.beir-v1.0.0-cqadupstack-unix.splade-pp-ed.20231124.a66f86f \
+ -threads 16 -impact -pretokenized -optimize \
+ >& logs/log.beir-v1.0.0--cqadupstack-unix.splade-pp-ed.20231124.a66f86f &
+```
diff --git a/pyserini/resources/index-metadata/lucene-index.beir-v1.0.0-cqadupstack-webmasters.splade-pp-ed.20231124.a66f86f.README.md b/pyserini/resources/index-metadata/lucene-index.beir-v1.0.0-cqadupstack-webmasters.splade-pp-ed.20231124.a66f86f.README.md
new file mode 100644
index 000000000..ac87f1514
--- /dev/null
+++ b/pyserini/resources/index-metadata/lucene-index.beir-v1.0.0-cqadupstack-webmasters.splade-pp-ed.20231124.a66f86f.README.md
@@ -0,0 +1,13 @@
+# BEIR (v1.0.0) - CQADupStack-webmasters
+
+This Lucene impact index for SPLADE++ (CoCondenser-EnsembleDistil)" was generated on 2023/11/24 at Anserini commit [`a66f86f`](https://github.com/castorini/anserini/commit/a66f86fb463db76df521f58992b000dd4ab39548) on `orca` with the following command:
+
+```
+nohup target/appassembler/bin/IndexCollection \
+ -collection JsonVectorCollection \
+ -generator DefaultLuceneDocumentGenerator \
+ -input /store/collections/beir-v1.0.0/splade-pp-ed/cqadupstack-webmasters \
+ -index indexes/lucene-index.beir-v1.0.0-cqadupstack-webmasters.splade-pp-ed.20231124.a66f86f \
+ -threads 16 -impact -pretokenized -optimize \
+ >& logs/log.beir-v1.0.0--cqadupstack-webmasters.splade-pp-ed.20231124.a66f86f &
+```
diff --git a/pyserini/resources/index-metadata/lucene-index.beir-v1.0.0-cqadupstack-wordpress.splade-pp-ed.20231124.a66f86f.README.md b/pyserini/resources/index-metadata/lucene-index.beir-v1.0.0-cqadupstack-wordpress.splade-pp-ed.20231124.a66f86f.README.md
new file mode 100644
index 000000000..49f97f995
--- /dev/null
+++ b/pyserini/resources/index-metadata/lucene-index.beir-v1.0.0-cqadupstack-wordpress.splade-pp-ed.20231124.a66f86f.README.md
@@ -0,0 +1,13 @@
+# BEIR (v1.0.0) - CQADupStack-wordpress
+
+This Lucene impact index for SPLADE++ (CoCondenser-EnsembleDistil)" was generated on 2023/11/24 at Anserini commit [`a66f86f`](https://github.com/castorini/anserini/commit/a66f86fb463db76df521f58992b000dd4ab39548) on `orca` with the following command:
+
+```
+nohup target/appassembler/bin/IndexCollection \
+ -collection JsonVectorCollection \
+ -generator DefaultLuceneDocumentGenerator \
+ -input /store/collections/beir-v1.0.0/splade-pp-ed/cqadupstack-wordpress \
+ -index indexes/lucene-index.beir-v1.0.0-cqadupstack-wordpress.splade-pp-ed.20231124.a66f86f \
+ -threads 16 -impact -pretokenized -optimize \
+ >& logs/log.beir-v1.0.0--cqadupstack-wordpress.splade-pp-ed.20231124.a66f86f &
+```
diff --git a/pyserini/resources/index-metadata/lucene-index.beir-v1.0.0-dbpedia-entity.splade-pp-ed.20231124.a66f86f.README.md b/pyserini/resources/index-metadata/lucene-index.beir-v1.0.0-dbpedia-entity.splade-pp-ed.20231124.a66f86f.README.md
new file mode 100644
index 000000000..bebf9fbbe
--- /dev/null
+++ b/pyserini/resources/index-metadata/lucene-index.beir-v1.0.0-dbpedia-entity.splade-pp-ed.20231124.a66f86f.README.md
@@ -0,0 +1,13 @@
+# BEIR (v1.0.0) - DBPedia
+
+This Lucene impact index for SPLADE++ (CoCondenser-EnsembleDistil)" was generated on 2023/11/24 at Anserini commit [`a66f86f`](https://github.com/castorini/anserini/commit/a66f86fb463db76df521f58992b000dd4ab39548) on `orca` with the following command:
+
+```
+nohup target/appassembler/bin/IndexCollection \
+ -collection JsonVectorCollection \
+ -generator DefaultLuceneDocumentGenerator \
+ -input /store/collections/beir-v1.0.0/splade-pp-ed/dbpedia-entity \
+ -index indexes/lucene-index.beir-v1.0.0-dbpedia-entity.splade-pp-ed.20231124.a66f86f \
+ -threads 16 -impact -pretokenized -optimize \
+ >& logs/log.beir-v1.0.0--dbpedia-entity.splade-pp-ed.20231124.a66f86f &
+```
diff --git a/pyserini/resources/index-metadata/lucene-index.beir-v1.0.0-fever.splade-pp-ed.20231124.a66f86f.README.md b/pyserini/resources/index-metadata/lucene-index.beir-v1.0.0-fever.splade-pp-ed.20231124.a66f86f.README.md
new file mode 100644
index 000000000..34a5ee8ab
--- /dev/null
+++ b/pyserini/resources/index-metadata/lucene-index.beir-v1.0.0-fever.splade-pp-ed.20231124.a66f86f.README.md
@@ -0,0 +1,13 @@
+# BEIR (v1.0.0) - FEVER
+
+This Lucene impact index for SPLADE++ (CoCondenser-EnsembleDistil)" was generated on 2023/11/24 at Anserini commit [`a66f86f`](https://github.com/castorini/anserini/commit/a66f86fb463db76df521f58992b000dd4ab39548) on `orca` with the following command:
+
+```
+nohup target/appassembler/bin/IndexCollection \
+ -collection JsonVectorCollection \
+ -generator DefaultLuceneDocumentGenerator \
+ -input /store/collections/beir-v1.0.0/splade-pp-ed/fever \
+ -index indexes/lucene-index.beir-v1.0.0-fever.splade-pp-ed.20231124.a66f86f \
+ -threads 16 -impact -pretokenized -optimize \
+ >& logs/log.beir-v1.0.0--fever.splade-pp-ed.20231124.a66f86f &
+```
diff --git a/pyserini/resources/index-metadata/lucene-index.beir-v1.0.0-fiqa.splade-pp-ed.20231124.a66f86f.README.md b/pyserini/resources/index-metadata/lucene-index.beir-v1.0.0-fiqa.splade-pp-ed.20231124.a66f86f.README.md
new file mode 100644
index 000000000..1e8bb5d1b
--- /dev/null
+++ b/pyserini/resources/index-metadata/lucene-index.beir-v1.0.0-fiqa.splade-pp-ed.20231124.a66f86f.README.md
@@ -0,0 +1,13 @@
+# BEIR (v1.0.0) - FiQA-2018
+
+This Lucene impact index for SPLADE++ (CoCondenser-EnsembleDistil)" was generated on 2023/11/24 at Anserini commit [`a66f86f`](https://github.com/castorini/anserini/commit/a66f86fb463db76df521f58992b000dd4ab39548) on `orca` with the following command:
+
+```
+nohup target/appassembler/bin/IndexCollection \
+ -collection JsonVectorCollection \
+ -generator DefaultLuceneDocumentGenerator \
+ -input /store/collections/beir-v1.0.0/splade-pp-ed/fiqa \
+ -index indexes/lucene-index.beir-v1.0.0-fiqa.splade-pp-ed.20231124.a66f86f \
+ -threads 16 -impact -pretokenized -optimize \
+ >& logs/log.beir-v1.0.0--fiqa.splade-pp-ed.20231124.a66f86f &
+```
diff --git a/pyserini/resources/index-metadata/lucene-index.beir-v1.0.0-hotpotqa.splade-pp-ed.20231124.a66f86f.README.md b/pyserini/resources/index-metadata/lucene-index.beir-v1.0.0-hotpotqa.splade-pp-ed.20231124.a66f86f.README.md
new file mode 100644
index 000000000..1bcb4d39d
--- /dev/null
+++ b/pyserini/resources/index-metadata/lucene-index.beir-v1.0.0-hotpotqa.splade-pp-ed.20231124.a66f86f.README.md
@@ -0,0 +1,13 @@
+# BEIR (v1.0.0) - HotpotQA
+
+This Lucene impact index for SPLADE++ (CoCondenser-EnsembleDistil)" was generated on 2023/11/24 at Anserini commit [`a66f86f`](https://github.com/castorini/anserini/commit/a66f86fb463db76df521f58992b000dd4ab39548) on `orca` with the following command:
+
+```
+nohup target/appassembler/bin/IndexCollection \
+ -collection JsonVectorCollection \
+ -generator DefaultLuceneDocumentGenerator \
+ -input /store/collections/beir-v1.0.0/splade-pp-ed/hotpotqa \
+ -index indexes/lucene-index.beir-v1.0.0-hotpotqa.splade-pp-ed.20231124.a66f86f \
+ -threads 16 -impact -pretokenized -optimize \
+ >& logs/log.beir-v1.0.0--hotpotqa.splade-pp-ed.20231124.a66f86f &
+```
diff --git a/pyserini/resources/index-metadata/lucene-index.beir-v1.0.0-nfcorpus.splade-pp-ed.20231124.a66f86f.README.md b/pyserini/resources/index-metadata/lucene-index.beir-v1.0.0-nfcorpus.splade-pp-ed.20231124.a66f86f.README.md
new file mode 100644
index 000000000..328f9ac8a
--- /dev/null
+++ b/pyserini/resources/index-metadata/lucene-index.beir-v1.0.0-nfcorpus.splade-pp-ed.20231124.a66f86f.README.md
@@ -0,0 +1,13 @@
+# BEIR (v1.0.0) - NFCorpus
+
+This Lucene impact index for SPLADE++ (CoCondenser-EnsembleDistil)" was generated on 2023/11/24 at Anserini commit [`a66f86f`](https://github.com/castorini/anserini/commit/a66f86fb463db76df521f58992b000dd4ab39548) on `orca` with the following command:
+
+```
+nohup target/appassembler/bin/IndexCollection \
+ -collection JsonVectorCollection \
+ -generator DefaultLuceneDocumentGenerator \
+ -input /store/collections/beir-v1.0.0/splade-pp-ed/nfcorpus \
+ -index indexes/lucene-index.beir-v1.0.0-nfcorpus.splade-pp-ed.20231124.a66f86f \
+ -threads 16 -impact -pretokenized -optimize \
+ >& logs/log.beir-v1.0.0--nfcorpus.splade-pp-ed.20231124.a66f86f &
+```
diff --git a/pyserini/resources/index-metadata/lucene-index.beir-v1.0.0-nq.splade-pp-ed.20231124.a66f86f.README.md b/pyserini/resources/index-metadata/lucene-index.beir-v1.0.0-nq.splade-pp-ed.20231124.a66f86f.README.md
new file mode 100644
index 000000000..a4df82c57
--- /dev/null
+++ b/pyserini/resources/index-metadata/lucene-index.beir-v1.0.0-nq.splade-pp-ed.20231124.a66f86f.README.md
@@ -0,0 +1,13 @@
+# BEIR (v1.0.0) - NQ
+
+This Lucene impact index for SPLADE++ (CoCondenser-EnsembleDistil)" was generated on 2023/11/24 at Anserini commit [`a66f86f`](https://github.com/castorini/anserini/commit/a66f86fb463db76df521f58992b000dd4ab39548) on `orca` with the following command:
+
+```
+nohup target/appassembler/bin/IndexCollection \
+ -collection JsonVectorCollection \
+ -generator DefaultLuceneDocumentGenerator \
+ -input /store/collections/beir-v1.0.0/splade-pp-ed/nq \
+ -index indexes/lucene-index.beir-v1.0.0-nq.splade-pp-ed.20231124.a66f86f \
+ -threads 16 -impact -pretokenized -optimize \
+ >& logs/log.beir-v1.0.0--nq.splade-pp-ed.20231124.a66f86f &
+```
diff --git a/pyserini/resources/index-metadata/lucene-index.beir-v1.0.0-quora.splade-pp-ed.20231124.a66f86f.README.md b/pyserini/resources/index-metadata/lucene-index.beir-v1.0.0-quora.splade-pp-ed.20231124.a66f86f.README.md
new file mode 100644
index 000000000..b6150cdc1
--- /dev/null
+++ b/pyserini/resources/index-metadata/lucene-index.beir-v1.0.0-quora.splade-pp-ed.20231124.a66f86f.README.md
@@ -0,0 +1,13 @@
+# BEIR (v1.0.0) - Quora
+
+This Lucene impact index for SPLADE++ (CoCondenser-EnsembleDistil)" was generated on 2023/11/24 at Anserini commit [`a66f86f`](https://github.com/castorini/anserini/commit/a66f86fb463db76df521f58992b000dd4ab39548) on `orca` with the following command:
+
+```
+nohup target/appassembler/bin/IndexCollection \
+ -collection JsonVectorCollection \
+ -generator DefaultLuceneDocumentGenerator \
+ -input /store/collections/beir-v1.0.0/splade-pp-ed/quora \
+ -index indexes/lucene-index.beir-v1.0.0-quora.splade-pp-ed.20231124.a66f86f \
+ -threads 16 -impact -pretokenized -optimize \
+ >& logs/log.beir-v1.0.0--quora.splade-pp-ed.20231124.a66f86f &
+```
diff --git a/pyserini/resources/index-metadata/lucene-index.beir-v1.0.0-robust04.splade-pp-ed.20231124.a66f86f.README.md b/pyserini/resources/index-metadata/lucene-index.beir-v1.0.0-robust04.splade-pp-ed.20231124.a66f86f.README.md
new file mode 100644
index 000000000..43b339aa7
--- /dev/null
+++ b/pyserini/resources/index-metadata/lucene-index.beir-v1.0.0-robust04.splade-pp-ed.20231124.a66f86f.README.md
@@ -0,0 +1,13 @@
+# BEIR (v1.0.0) - Robust04
+
+This Lucene impact index for SPLADE++ (CoCondenser-EnsembleDistil)" was generated on 2023/11/24 at Anserini commit [`a66f86f`](https://github.com/castorini/anserini/commit/a66f86fb463db76df521f58992b000dd4ab39548) on `orca` with the following command:
+
+```
+nohup target/appassembler/bin/IndexCollection \
+ -collection JsonVectorCollection \
+ -generator DefaultLuceneDocumentGenerator \
+ -input /store/collections/beir-v1.0.0/splade-pp-ed/robust04 \
+ -index indexes/lucene-index.beir-v1.0.0-robust04.splade-pp-ed.20231124.a66f86f \
+ -threads 16 -impact -pretokenized -optimize \
+ >& logs/log.beir-v1.0.0--robust04.splade-pp-ed.20231124.a66f86f &
+```
diff --git a/pyserini/resources/index-metadata/lucene-index.beir-v1.0.0-scidocs.splade-pp-ed.20231124.a66f86f.README.md b/pyserini/resources/index-metadata/lucene-index.beir-v1.0.0-scidocs.splade-pp-ed.20231124.a66f86f.README.md
new file mode 100644
index 000000000..1f7ba4dbf
--- /dev/null
+++ b/pyserini/resources/index-metadata/lucene-index.beir-v1.0.0-scidocs.splade-pp-ed.20231124.a66f86f.README.md
@@ -0,0 +1,13 @@
+# BEIR (v1.0.0) - SCIDOCS
+
+This Lucene impact index for SPLADE++ (CoCondenser-EnsembleDistil)" was generated on 2023/11/24 at Anserini commit [`a66f86f`](https://github.com/castorini/anserini/commit/a66f86fb463db76df521f58992b000dd4ab39548) on `orca` with the following command:
+
+```
+nohup target/appassembler/bin/IndexCollection \
+ -collection JsonVectorCollection \
+ -generator DefaultLuceneDocumentGenerator \
+ -input /store/collections/beir-v1.0.0/splade-pp-ed/scidocs \
+ -index indexes/lucene-index.beir-v1.0.0-scidocs.splade-pp-ed.20231124.a66f86f \
+ -threads 16 -impact -pretokenized -optimize \
+ >& logs/log.beir-v1.0.0--scidocs.splade-pp-ed.20231124.a66f86f &
+```
diff --git a/pyserini/resources/index-metadata/lucene-index.beir-v1.0.0-scifact.splade-pp-ed.20231124.a66f86f.README.md b/pyserini/resources/index-metadata/lucene-index.beir-v1.0.0-scifact.splade-pp-ed.20231124.a66f86f.README.md
new file mode 100644
index 000000000..54efb3ed8
--- /dev/null
+++ b/pyserini/resources/index-metadata/lucene-index.beir-v1.0.0-scifact.splade-pp-ed.20231124.a66f86f.README.md
@@ -0,0 +1,13 @@
+# BEIR (v1.0.0) - SciFact
+
+This Lucene impact index for SPLADE++ (CoCondenser-EnsembleDistil)" was generated on 2023/11/24 at Anserini commit [`a66f86f`](https://github.com/castorini/anserini/commit/a66f86fb463db76df521f58992b000dd4ab39548) on `orca` with the following command:
+
+```
+nohup target/appassembler/bin/IndexCollection \
+ -collection JsonVectorCollection \
+ -generator DefaultLuceneDocumentGenerator \
+ -input /store/collections/beir-v1.0.0/splade-pp-ed/scifact \
+ -index indexes/lucene-index.beir-v1.0.0-scifact.splade-pp-ed.20231124.a66f86f \
+ -threads 16 -impact -pretokenized -optimize \
+ >& logs/log.beir-v1.0.0--scifact.splade-pp-ed.20231124.a66f86f &
+```
diff --git a/pyserini/resources/index-metadata/lucene-index.beir-v1.0.0-signal1m.splade-pp-ed.20231124.a66f86f.README.md b/pyserini/resources/index-metadata/lucene-index.beir-v1.0.0-signal1m.splade-pp-ed.20231124.a66f86f.README.md
new file mode 100644
index 000000000..04672439c
--- /dev/null
+++ b/pyserini/resources/index-metadata/lucene-index.beir-v1.0.0-signal1m.splade-pp-ed.20231124.a66f86f.README.md
@@ -0,0 +1,13 @@
+# BEIR (v1.0.0) - Signal-1M
+
+This Lucene impact index for SPLADE++ (CoCondenser-EnsembleDistil)" was generated on 2023/11/24 at Anserini commit [`a66f86f`](https://github.com/castorini/anserini/commit/a66f86fb463db76df521f58992b000dd4ab39548) on `orca` with the following command:
+
+```
+nohup target/appassembler/bin/IndexCollection \
+ -collection JsonVectorCollection \
+ -generator DefaultLuceneDocumentGenerator \
+ -input /store/collections/beir-v1.0.0/splade-pp-ed/signal1m \
+ -index indexes/lucene-index.beir-v1.0.0-signal1m.splade-pp-ed.20231124.a66f86f \
+ -threads 16 -impact -pretokenized -optimize \
+ >& logs/log.beir-v1.0.0--signal1m.splade-pp-ed.20231124.a66f86f &
+```
diff --git a/pyserini/resources/index-metadata/lucene-index.beir-v1.0.0-trec-covid.splade-pp-ed.20231124.a66f86f.README.md b/pyserini/resources/index-metadata/lucene-index.beir-v1.0.0-trec-covid.splade-pp-ed.20231124.a66f86f.README.md
new file mode 100644
index 000000000..4b210fc42
--- /dev/null
+++ b/pyserini/resources/index-metadata/lucene-index.beir-v1.0.0-trec-covid.splade-pp-ed.20231124.a66f86f.README.md
@@ -0,0 +1,13 @@
+# BEIR (v1.0.0) - TREC-COVID
+
+This Lucene impact index for SPLADE++ (CoCondenser-EnsembleDistil)" was generated on 2023/11/24 at Anserini commit [`a66f86f`](https://github.com/castorini/anserini/commit/a66f86fb463db76df521f58992b000dd4ab39548) on `orca` with the following command:
+
+```
+nohup target/appassembler/bin/IndexCollection \
+ -collection JsonVectorCollection \
+ -generator DefaultLuceneDocumentGenerator \
+ -input /store/collections/beir-v1.0.0/splade-pp-ed/trec-covid \
+ -index indexes/lucene-index.beir-v1.0.0-trec-covid.splade-pp-ed.20231124.a66f86f \
+ -threads 16 -impact -pretokenized -optimize \
+ >& logs/log.beir-v1.0.0--trec-covid.splade-pp-ed.20231124.a66f86f &
+```
diff --git a/pyserini/resources/index-metadata/lucene-index.beir-v1.0.0-trec-news.splade-pp-ed.20231124.a66f86f.README.md b/pyserini/resources/index-metadata/lucene-index.beir-v1.0.0-trec-news.splade-pp-ed.20231124.a66f86f.README.md
new file mode 100644
index 000000000..724bf3d8d
--- /dev/null
+++ b/pyserini/resources/index-metadata/lucene-index.beir-v1.0.0-trec-news.splade-pp-ed.20231124.a66f86f.README.md
@@ -0,0 +1,13 @@
+# BEIR (v1.0.0) - TREC-NEWS
+
+This Lucene impact index for SPLADE++ (CoCondenser-EnsembleDistil)" was generated on 2023/11/24 at Anserini commit [`a66f86f`](https://github.com/castorini/anserini/commit/a66f86fb463db76df521f58992b000dd4ab39548) on `orca` with the following command:
+
+```
+nohup target/appassembler/bin/IndexCollection \
+ -collection JsonVectorCollection \
+ -generator DefaultLuceneDocumentGenerator \
+ -input /store/collections/beir-v1.0.0/splade-pp-ed/trec-news \
+ -index indexes/lucene-index.beir-v1.0.0-trec-news.splade-pp-ed.20231124.a66f86f \
+ -threads 16 -impact -pretokenized -optimize \
+ >& logs/log.beir-v1.0.0--trec-news.splade-pp-ed.20231124.a66f86f &
+```
diff --git a/pyserini/resources/index-metadata/lucene-index.beir-v1.0.0-webis-touche2020.splade-pp-ed.20231124.a66f86f.README.md b/pyserini/resources/index-metadata/lucene-index.beir-v1.0.0-webis-touche2020.splade-pp-ed.20231124.a66f86f.README.md
new file mode 100644
index 000000000..68f31536c
--- /dev/null
+++ b/pyserini/resources/index-metadata/lucene-index.beir-v1.0.0-webis-touche2020.splade-pp-ed.20231124.a66f86f.README.md
@@ -0,0 +1,13 @@
+# BEIR (v1.0.0) - Webis-Touche2020
+
+This Lucene impact index for SPLADE++ (CoCondenser-EnsembleDistil)" was generated on 2023/11/24 at Anserini commit [`a66f86f`](https://github.com/castorini/anserini/commit/a66f86fb463db76df521f58992b000dd4ab39548) on `orca` with the following command:
+
+```
+nohup target/appassembler/bin/IndexCollection \
+ -collection JsonVectorCollection \
+ -generator DefaultLuceneDocumentGenerator \
+ -input /store/collections/beir-v1.0.0/splade-pp-ed/webis-touche2020 \
+ -index indexes/lucene-index.beir-v1.0.0-webis-touche2020.splade-pp-ed.20231124.a66f86f \
+ -threads 16 -impact -pretokenized -optimize \
+ >& logs/log.beir-v1.0.0--webis-touche2020.splade-pp-ed.20231124.a66f86f &
+```
diff --git a/tests/test_prebuilt_index.py b/tests/test_prebuilt_index.py
index 3bc1a70c7..02c85d7c1 100644
--- a/tests/test_prebuilt_index.py
+++ b/tests/test_prebuilt_index.py
@@ -70,7 +70,8 @@ def test_impact_beir(self):
urls.append(url)
# 29 from SPLADE-distill CoCodenser-medium
- self.assertEqual(cnt, 29)
+ # 29 from SPLADE++ (CoCondenser-EnsembleDistil)
+ self.assertEqual(cnt, 58)
self._test_urls(urls)
def test_impact_mrtydi(self):