829 search results - page 116 / 166 » Location-aware Query Processing and Optimization |
130
Voted
BTW
2003
Springer
15 years 7 months ago
2003
Springer
Abstract: In order to achieve efficient execution plans for queries comprising userdefined data types and predicates, the database system has to be provided with appropriate index ...
206
Voted
ICDE
2005
IEEE
16 years 3 months ago
2005
IEEE
Sequence-based XML indexing aims at avoiding expensive join operations in query processing. It transforms structured XML data into sequences so that a structured query can be answ...
141
Voted
WWW
2007
ACM
16 years 3 months ago
2007
ACM
Current web search engines focus on searching only the most recent snapshot of the web. In some cases, however, it would be desirable to search over collections that include many ...
197
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IGIS
1994
15 years 6 months ago
1994
During the last decade various spatial data structures have been designed and compared against each other, all of them re ecting a dynamic situation with ongoing object insertion a...
136
Voted
RECSYS
2009
ACM
15 years 9 months ago
2009
ACM
Current conversational recommender systems are unable to offer guarantees on the quality of their recommendations due to a lack of principled user utility models. We develop an ap...