4557 search results - page 784 / 912 » A performance evaluation of local descriptors |
207
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KDD
2004
ACM
16 years 6 months ago
2004
ACM
In this paper, we define and study a novel text mining problem, which we refer to as Comparative Text Mining (CTM). Given a set of comparable text collections, the task of compara...
287
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SIGMOD
2009
ACM
16 years 6 months ago
2009
ACM
Users often try to accumulate information on a topic of interest from multiple information sources. In this case a user's informational need might be expressed in terms of an...
266
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SIGMOD
2009
ACM
16 years 6 months ago
2009
ACM
In this paper, we study a novel form of continuous nearest neighbor queries in the presence of obstacles, namely continuous obstructed nearest neighbor (CONN) search. It considers...
277
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SIGMOD
2008
ACM
16 years 6 months ago
2008
ACM
Many scientific, financial, data mining and sensor network applications need to work with continuous, rather than discrete data e.g., temperature as a function of location, or sto...
235
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SIGMOD
2008
ACM
16 years 6 months ago
2008
ACM
Today's query processing engines do not take advantage of the multiple occurrences of a relation in a query to improve performance. Instead, each instance is treated as a dis...