709 search results - page 42 / 142 » Efficient Evaluation of All-Nearest-Neighbor Queries |
173
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WWW
2007
ACM
16 years 6 months ago
2007
ACM
Current web search engines focus on searching only the most recent snapshot of the web. In some cases, however, it would be desirable to search over collections that include many ...
177
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SIGMOD
2004
ACM
16 years 5 months ago
2004
ACM
Existing SQL aggregate functions present important limitations to compute percentages. This article proposes two SQL aggregate functions to compute percentages addressing such lim...
157
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SIGMOD
2003
ACM
16 years 5 months ago
2003
ACM
Object-oriented and object-relational DBMS support setvalued attributes, which are a natural and concise way to model complex information. However, there has been limited research...
232
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VLDB
2007
ACM
16 years 6 months ago
2007
ACM
Correctly generating a structured query (e.g., an XQuery or a SQL query) requires the user to have a full understanding of the database schema, which can be a daunting task. Alter...
188
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DEXAW
2007
IEEE
15 years 9 months ago
2007
IEEE
The problem of efficiently evaluating XPath and XQuery queries has become increasingly significant since more and more XML data is stored in its native form. We propose a novel op...