237 search results - page 35 / 48 » Efficient Query Processing on the Relational Quadtree |
IS
2008
14 years 11 months ago
2008
Abstract. Sharing of structured data in decentralized environments is a challenging problem, especially in the absence of a global schema. Social network structures map network lin...
193
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SIGMOD
2009
ACM
15 years 12 months ago
2009
ACM
Keyword search in relational databases (RDBs) has been extensively studied recently. A keyword search (or a keyword query) in RDBs is specified by a set of keywords to explore the...
115
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WWW
2008
ACM
14 years 11 months ago
2008
ACM
We propose a novel Partition Path-Based (PPB) grouping strategy to store compressed XML data in a stream of blocks. In addition, we employ a minimal indexing scheme called Block S...
157
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SIGMOD
2008
ACM
15 years 12 months ago
2008
ACM
There has been a significant amount of excitement and recent work on column-oriented database systems ("column-stores"). These database systems have been shown to perfor...
210
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ICDE
2009
IEEE
16 years 1 months ago
2009
IEEE
Information extraction from text databases is a useful paradigm to populate relational tables and unlock the considerable value hidden in plain-text documents. However, information...