Models: various bag-of-words approaches
This page describes regressions for the background linking task in the TREC 2018 News Track. The exact configurations for these regressions are stored in this YAML file. Note that this page is automatically generated from this template as part of Anserini's regression pipeline, so do not modify this page directly; modify the template instead.
From one of our Waterloo servers (e.g., orca
), the following command will perform the complete regression, end to end:
python src/main/python/run_regression.py --index --verify --search --regression backgroundlinking18
Typical indexing command:
bin/run.sh io.anserini.index.IndexCollection \
-collection WashingtonPostCollection \
-input /path/to/wapo.v2 \
-generator WashingtonPostGenerator \
-index indexes/lucene-index.wapo.v2/ \
-threads 1 -storePositions -storeDocvectors -storeRaw \
>& logs/log.wapo.v2 &
The directory /path/to/core18/
should be the root directory of the TREC Washington Post Corpus, i.e., ls /path/to/core18/
should bring up a single JSON file.
For additional details, see explanation of common indexing options.
Topics and qrels are stored here, which is linked to the Anserini repo as a submodule. They are downloaded from NIST:
topics.backgroundlinking18.txt
: topics for the background linking task of the TREC 2018 News Trackqrels.backgroundlinking18.txt
: qrels for the background linking task of the TREC 2018 News Track
After indexing has completed, you should be able to perform retrieval as follows:
bin/run.sh io.anserini.search.SearchCollection \
-index indexes/lucene-index.wapo.v2/ \
-topics tools/topics-and-qrels/topics.backgroundlinking18.txt \
-topicReader BackgroundLinking \
-output runs/run.wapo.v2.bm25.topics.backgroundlinking18.txt \
-backgroundLinking -backgroundLinking.k 100 -bm25 -hits 100 &
bin/run.sh io.anserini.search.SearchCollection \
-index indexes/lucene-index.wapo.v2/ \
-topics tools/topics-and-qrels/topics.backgroundlinking18.txt \
-topicReader BackgroundLinking \
-output runs/run.wapo.v2.bm25+rm3.topics.backgroundlinking18.txt \
-backgroundLinking -backgroundLinking.k 100 -bm25 -rm3 -hits 100 &
bin/run.sh io.anserini.search.SearchCollection \
-index indexes/lucene-index.wapo.v2/ \
-topics tools/topics-and-qrels/topics.backgroundlinking18.txt \
-topicReader BackgroundLinking \
-output runs/run.wapo.v2.bm25+rm3+df.topics.backgroundlinking18.txt \
-backgroundLinking -backgroundLinking.dateFilter -backgroundLinking.k 100 -bm25 -rm3 -hits 100 &
Evaluation can be performed using trec_eval
:
bin/trec_eval -c -M1000 -m map -c -M1000 -m ndcg_cut.5 tools/topics-and-qrels/qrels.backgroundlinking18.txt runs/run.wapo.v2.bm25.topics.backgroundlinking18.txt
bin/trec_eval -c -M1000 -m map -c -M1000 -m ndcg_cut.5 tools/topics-and-qrels/qrels.backgroundlinking18.txt runs/run.wapo.v2.bm25+rm3.topics.backgroundlinking18.txt
bin/trec_eval -c -M1000 -m map -c -M1000 -m ndcg_cut.5 tools/topics-and-qrels/qrels.backgroundlinking18.txt runs/run.wapo.v2.bm25+rm3+df.topics.backgroundlinking18.txt
With the above commands, you should be able to reproduce the following results:
MAP | BM25 | +RM3 | +RM3+DF |
---|---|---|---|
TREC 2018 Topics | 0.2490 | 0.2661 | 0.2679 |
nDCG@5 | BM25 | +RM3 | +RM3+DF |
TREC 2018 Topics | 0.3293 | 0.3436 | 0.4027 |