backgroundlinking20.yaml

---
corpus: wapo.v3
corpus_path: collections/newswire/WashingtonPost.v3/data/

index_path: indexes/lucene-index.wapo.v3/
collection_class: WashingtonPostCollection
generator_class: WashingtonPostGenerator
index_threads: 1
index_options: -storePositions -storeDocvectors -storeRaw
index_stats:
  documents: 671945
  documents (non-empty): 671945
  total terms: 366108177

metrics:
  - metric: MAP
    command: tools/eval/trec_eval.9.0.4/trec_eval
    params: -c -M1000 -m map
    separator: "\t"
    parse_index: 2
    metric_precision: 4
    can_combine: true
  - metric: nDCG@5
    command: tools/eval/trec_eval.9.0.4/trec_eval
    params: -c -M1000 -m ndcg_cut.5
    separator: "\t"
    parse_index: 2
    metric_precision: 4
    can_combine: true

topic_reader: BackgroundLinking
topics:
  - name: "[TREC 2020 Topics](https://github.com/castorini/anserini-tools/tree/master/topics-and-qrels/topics.backgroundlinking20.txt)"
    id: bglink20
    path: topics.backgroundlinking20.txt
    qrel: qrels.backgroundlinking20.txt

models:
  - name: bm25
    display: BM25
    params: -backgroundlinking -backgroundlinking.k 100 -bm25 -hits 100
    results:
      MAP:
        - 0.3286
      nDCG@5:
        - 0.5231
  - name: bm25+rm3
    display: +RM3
    params: -backgroundlinking -backgroundlinking.k 100 -bm25 -rm3 -hits 100
    results:
      MAP:
        - 0.4528
      nDCG@5:
        - 0.5696
  - name: bm25+rm3+df
    display: +RM3+DF
    params: -backgroundlinking -backgroundlinking.datefilter -backgroundlinking.k 100 -bm25 -rm3 -hits 100
    results:
      MAP:
        - 0.3438
      nDCG@5:
        - 0.5304