365 search results - page 24 / 73 » Answering Non-Monotonic Queries in Relational Data Exchange |
DEXAW
2007
IEEE
15 years 3 months ago
2007
IEEE
Question Answering (QA) systems automatically answer natural language questions in a human-like manner. One of the practical approaches to open domain QA consists in extracting fa...
SEMWEB
2009
Springer
15 years 4 months ago
2009
Springer
In this paper, we present PelletSpatial, a qualitative spatial reasoning engine implemented on top of Pellet. PelletSpatial provides consistency checking and query answering over s...
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SIGMOD
2007
ACM
15 years 9 months ago
2007
ACM
In response to the widespread use of the XML format for document representation and message exchange, major database vendors support XML in terms of persistence, querying and inde...
ICDT
2012
ACM
12 years 12 months ago
2012
ACM
The problems of query containment, equivalence, and minimization are recognized as very important in the context of query processing, specifically of query optimization. In their...
CIKM
1994
Springer
15 years 1 months ago
1994
Springer
Accessing information sources to retrieve data requested by a user can be expensive, especially when dealing with distributed information sources. One way to reduce this cost is t...