5954 search results - page 148 / 1191 » Querying Bi-level Information |
169
Voted
CIKM
2006
Springer
15 years 8 months ago
2006
Springer
Peer Data Management Systems (PDMS) are a natural extension of heterogeneous database systems. One of the main tasks in such systems is efficient query processing. Insisting on co...
275
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VLDB
2003
ACM
16 years 6 months ago
2003
ACM
In data applications such as information integration, there can be limited access patterns to relations, i.e., binding patterns require values to be specified for certain attribut...
253
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SIGMOD
2006
ACM
16 years 6 months ago
2006
ACM
Integration systems typically support only a restricted set of queries over the schema they export. The reason is that the participating information sources contribute limited con...
164
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AAAI
2007
15 years 8 months ago
2007
In this paper, we propose to mine query hierarchies from clickthrough data, which is within the larger area of automatic acquisition of knowledge from the Web. When a user submits...
177
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CISIS
2009
IEEE
15 years 3 months ago
2009
IEEE
The volume of stream data delivered from different information sources is increasing. There are a variety of demands to utilize such stream data for applications. Stream processin...