199 search results - page 23 / 40 » Join queries on uncertain data: Semantics and efficient proc... |
73
Voted
PVLDB
2008
14 years 9 months ago
2008
Unlike traditional database queries, keyword queries do not adhere to predefined syntax and are often dirty with irrelevant words from natural languages. This makes accurate and e...
GEOS
2007
Springer
15 years 3 months ago
2007
Springer
Spatial and temporal data are critical components in many applications. This is especially true in analytical domains such as national security and criminal investigation. Often, t...
172
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SIGMOD
2008
ACM
15 years 9 months ago
2008
ACM
Text documents often embed data that is structured in nature. This structured data is increasingly exposed using information extraction systems, which generate structured relation...
109
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ADL
2000
Springer
15 years 1 months ago
2000
Springer
A mediator system is a kind of a meta-search engine that provides a seamlessly integrated search service for diverse search engines (collections). Since collections of a mediator ...
VLDB
1997
ACM
15 years 1 months ago
1997
ACM
Query optimizers that explore a search space exhaustively using transformation rules usually apply all possible rules on each alternative, and stop when no new information is prod...