6274 search results - page 438 / 1255 » From query complexity to computational complexity |
187
Voted
TOOLS
2000
IEEE
15 years 11 months ago
2000
IEEE
Many data objects in the real world have attributes about location and time. Such spatiotemporal objects can be found in applications such Geographic Information Systems (GIS), env...
209
Voted
ER
1998
Springer
15 years 11 months ago
1998
Springer
Data warehouses are complex systems that have to deliver highly-aggregated, high quality data from heterogeneous sources to decision makers. Due to the dynamic change in the requir...
168
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APPINF
2003
15 years 8 months ago
2003
This paper presents an algorithm for recursive data processing in directed graphs. The proposed algorithm applies graph reduction in order to determine both starting points and a ...
183
Voted
DC
2001
15 years 8 months ago
2001
This paper describes the latest version of the ABC metadata model. This model has been developed within the Harmony international digital library project to provide a common conce...
160
Voted
TREC
2003
15 years 8 months ago
2003
Many researchers have used lexical networks and ontologies to mitigate synonymy and polysemy problems in Question Answering (QA), systems coupled with taggers, query classifiers,...