2070 search results - page 171 / 414 » Querying Communities in Relational Databases |
165
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VLDB
2008
ACM
15 years 11 months ago
2008
ACM
This paper studies aggregate search in transaction time databases. Specifically, each object in such a database can be modeled as a horizontal segment, whose y-projection is its s...
111
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ICDE
2010
IEEE
15 years 11 months ago
2010
IEEE
Keyword search is considered to be an effective information discovery method for both structured and semistructured data. In XML keyword search, query semantics is based on the con...
EDBT
2009
ACM
15 years 6 months ago
2009
ACM
Materialized views (MV) can significantly improve the query performance of relational databases. In this paper, we consider MVs to optimize complex scenarios where many heterogen...
133
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PODS
1999
ACM
15 years 3 months ago
1999
ACM
Semistructured data occur in situations where information lacks a homogeneous structure and is incomplete. Yet, up to now the incompleteness of information has not been re ected b...
CIKM
2000
Springer
15 years 3 months ago
2000
Springer
Large collections of documents containing various types of multimedia, are made available to the WWW. Unfortunately, due to the un-structuredness of Internet environments it is ha...