5954 search results - page 144 / 1191 » Querying Bi-level Information |
168
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CIKM
2010
Springer
15 years 1 months ago
2010
Springer
The gap between the user's information need and query is expanding due to the pervasiveness of Web search. Multimedia question answering is restricted by disjoint infrastruct...
176
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VLDB
2001
ACM
15 years 10 months ago
2001
ACM
ct Information Integration is among the most important fields in information management. The problem of integrating data from diverse, possibly heterogeneous data sources is ubiqu...
256
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ICDE
1998
IEEE
16 years 7 months ago
1998
IEEE
Semistructured data may be irregular and incomplete and does not necessarily conform to a fixed schema. As with structured data, it is often desirable to maintain a history of cha...
157
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ICPR
2008
IEEE
16 years 7 months ago
2008
IEEE
Querying any information system requires the knowledge of some formal language, making it inaccessible to computer-na?ve potential users. We propose a new intuitive querying mecha...
179
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SDMW
2007
Springer
16 years 4 days ago
2007
Springer
Abstract. We investigate the experimental effectiveness of query rewriting over XML security views. Our model consists of access control policies specified over DTDs with XPath e...