1429 search results - page 125 / 286 » Efficient processing of XPath queries using indexes |
IDEAS
2007
IEEE
14 years 3 months ago
2007
IEEE
Historically, bitmap indexing has provided an important database capability to accelerate queries. However, only a few database systems have implemented these indexes because of t...
SIGMOD
2007
ACM
14 years 9 months ago
2007
ACM
The Boolean semantics of SQL queries cannot adequately capture the "fuzzy" preferences and "soft" criteria required in non-traditional data retrieval applicati...
EDBT
2008
ACM
14 years 9 months ago
2008
ACM
The top-k retrieval problem requires finding k objects most similar to a given query object. Similarities between objects are most often computed as aggregated similarities of the...
ICDE
2002
IEEE
14 years 10 months ago
2002
IEEE
XML queries typically specify patterns of selection predicates on multiple elements that have some specified tree structured relationships. The primitive tree structured relations...
TREC
1994
13 years 10 months ago
1994
: This paper describes an approach to information retrieval based on a syntactic analysis of the document texts and user queries, and from that analysis, the construction of tree s...