2191 search results - page 191 / 439 » Query Processing in the ROL system |
145
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PODS
2010
ACM
15 years 10 months ago
2010
ACM
The notion of certain answers arises when one queries incompletely specified databases, e.g., in data integration and exchange scenarios, or databases with missing information. W...
127
Voted
VLDB
1999
ACM
15 years 9 months ago
1999
ACM
XML is fast emerging as the dominant standard for representing data in the World Wide Web. Sophisticated query engines that allow users to effectively tap the data stored in XML d...
296
Voted
ICDE
2008
IEEE
17 years 4 months ago
2008
IEEE
This paper introduces an efficient algorithm for Producing Early Results in Multi-join query plans (PermJoin, for short). While most previous research focuses only on the
case of ...
145
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WWW
2007
ACM
16 years 5 months ago
2007
ACM
As XML database sizes grow, the amount of space used for storing the data and auxiliary data structures becomes a major factor in query and update performance. This paper presents...
138
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WWW
2004
ACM
16 years 5 months ago
2004
ACM
In peer-to-peer networks, finding the appropriate answer for an information request, such as the answer to a query for RDF(S) data, depends on selecting the right peer in the netw...