586 search results - page 67 / 118 » Answering Multiple-Item Queries in Data Broadcast Systems |
217
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ICDE
2009
IEEE
16 years 3 months ago
2009
IEEE
Auditing the changes to a database is critical for identifying malicious behavior, maintaining data quality, and improving system performance. But an accurate audit log is a histor...
109
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PVLDB
2008
15 years 24 days ago
2008
Data integration systems often provide a uniform query interface, called a mediated schema, to a multitude of data sources. To answer user queries, such systems employ a set of se...
214
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SIGMOD
2007
ACM
16 years 1 months ago
2007
ACM
Incomplete information arises naturally in numerous data management applications. Recently, several researchers have studied query processing in the context of incomplete informat...
110
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ICMCS
1999
IEEE
15 years 5 months ago
1999
IEEE
Owing to the recent development of digital broadcasting technology such as Satellite, CATV, the Internet and the expansion of the network systems, the amount of video data we can ...
EUC
2004
Springer
15 years 6 months ago
2004
Springer
Abstract. With the knowledge about their locations, mobile users are able to issue location-dependent queries. Most of existing approaches focus on how to obtain the information ab...