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181
Voted
ICDE
2006
IEEE
16 years 2 months ago
2006
IEEE
One of the simplest ways to query a database is through a form, where a user can fill in relevant information and obtain desired results by submitting the form. Designing good sta...
186
Voted
GIS
2005
ACM
16 years 1 months ago
2005
ACM
Recent research literature on sensor network databases has focused on finding ways to perform in-network aggregation of sensor readings to reduce the message cost. However, with t...
104
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IDEAS
2007
IEEE
15 years 7 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...
203
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SIGMOD
2006
ACM
16 years 27 days ago
2006
ACM
Text is ubiquitous and, not surprisingly, many important applications rely on textual data for a variety of tasks. As a notable example, information extraction applications derive...
139
Voted
DBPL
1993
Springer
15 years 4 months ago
1993
Springer
In this paper we study the expressive power of query languages for nested bags. We de ne the ambient bag language by generalizing the constructs of the relational language of Brea...