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cs.IR2018
Proximity Full-Text Search by Means of Additional Indexes with Multi-component Keys: In Pursuit of Optimal Performance
Alexander B. Veretennikov
Full-text search engines are important tools for information retrieval. In a proximity full-text search, a document is relevant if it contains query terms near each other, especial…
cs.IR2018
Proximity Full-Text Search with a Response Time Guarantee by Means of Additional Indexes
Alexander B. Veretennikov
Full-text search engines are important tools for information retrieval. Term proximity is an important factor in relevance score measurement. In a proximity full-text search, we as…
cs.IR2018
Using Additional Indexes for Fast Full-Text Search of Phrases That Contain Frequently Used Words
A. B. Veretennikov
Searches for phrases and word sets in large text arrays by means of additional indexes are considered. Their use may reduce the query-processing time by an order of magnitude in co…