Arroyuelo et al., 2010 - Google Patents
Compressed self-indices supporting conjunctive queries on document collectionsArroyuelo et al., 2010
View PDF- Document ID
- 16103986258625055966
- Author
- Arroyuelo D
- González S
- Oyarzún M
- Publication year
- Publication venue
- International Symposium on String Processing and Information Retrieval
External Links
Snippet
We prove that a document collection, represented as a unique sequence T of n terms over a vocabulary Σ, can be represented in nH 0 (T)+ o (n)(H 0 (T)+ 1) bits of space, such that a conjunctive query t 1∧⋯∧ tk can be answered in O (kδ loglog| Σ|) adaptive time, where δ is …
- 230000003044 adaptive 0 abstract description 31
Classifications
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- G06F17/30657—Query processing
- G06F17/30675—Query execution
- G06F17/30684—Query execution using natural language analysis
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
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