9683 search results - page 660 / 1937 » Predicting query performance |
241
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CIKM
2004
Springer
16 years 26 days ago
2004
Springer
At present, most of the state-of-the-art solutions for XML access controls are either (1) document-level access control techniques that are too limited to support fine-grained sec...
201
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CAISE
2003
Springer
16 years 21 days ago
2003
Springer
While current search engines seem to easily handle the size of the data available on the Internet, they cannot provide fresh results. The most up-to-date data always resides on the...
247
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DEXA
2003
Springer
16 years 21 days ago
2003
Springer
Abstract. We developed the Nested Relational Sequence Database System (NRSD System), which is built upon the Nested Relational Sequence Model (NRSM). The NRSM eliminates a substant...
182
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VLDB
1994
ACM
15 years 11 months ago
1994
ACM
In existing relational database systems, processing of group-by and computation of aggregate functions are always postponed until all joins are performed. In this paper, we presen...
181
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CIT
2006
Springer
15 years 11 months ago
2006
Springer
Radio Frequency Identification (RFID) is slated to become a standard for tagging various products. As more and more products become RFID enabled, fast tag identification mechanism...