Please find attached the paper on "Efficient Query Evaluation using a
Two-Level Retrieval Process". I believe that such approach may improve the
way Lucene/Solr evaluates queries today.
Cheers,
-- Joaquin
[Solr-dev] Efficient Query Evaluation using a Two-Level Retrieval Process
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- Shalin Shekhar Mangar: Hey Joaquin, The mailing list strips off attachments. Can you please upload it somewhere and give us the link? -- Regards, Shalin Shekhar Mangar.
- J. Delgado: Here is the link to the paper. http://cis.poly.edu/westlab/papers/cntdstrb/p426-broder.pdf A more recent application of the use and extension of the WAND operator for indexing of Boolean expressions: http://ilpubs.stanford.edu:8090/927/2/wand_vldb.pdf -- Joaquin
- Andrzej Bialecki: The functionality of WAND (weak AND) is already implemented in Lucene, if I understand it correctly - this is the BooleanQuery.setMinShouldMatch(int). Lucene implements this probably differently from the algorithm described in the paper, so there may be still some benefits from comparing the algorithms in Lucene's BooleanScorer[2] with this one ... -- Best regards, Andrzej Bialecki <>< ___. ___ ___ ___ _ _ __________________________________ [__ || __|__/|__||\/| Information Retrieval, Semantic
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Discussion Overview
| group | solr-dev
 |
| categories | lucene |
| posted | Nov 16, '09 at 7:06a |
| active | Nov 16, '09 at 5:26p |
| posts | 5 |
| users | 3 |
| website | lucene.apache.org... |
3 users in discussion
