2850 search results - page 91 / 570 » Answering Queries using Humans, Algorithms and Databases |
210
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GIS
2007
ACM
16 years 3 months ago
2007
ACM
Accurate and efficient integration of geospatial data is an important problem with applications in areas such as emergency response and urban planning. Some of the key challenges ...
210
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GIS
2006
ACM
16 years 3 months ago
2006
ACM
Situational awareness (SA) applications monitor the real world and the entities therein to support tasks such as rapid decision-making, reasoning, and analysis. Raw input about un...
203
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PODS
2009
ACM
16 years 2 months ago
2009
ACM
Let be a finite, ordered alphabet, and consider a string x = x1x2 . . . xn n . A secondary index for x answers alphabet range queries of the form: Given a range [al, ar] , retu...
105
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IDEAS
2005
IEEE
15 years 7 months ago
2005
IEEE
Traditional approaches to query processing aim at rewriting a given query into another more efficient one that uses less time and/or resources during the execution. There by, the...
119
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PAKDD
2004
ACM
15 years 7 months ago
2004
ACM
Abstract. Given a point query Q in multi-dimensional space, K-Nearest Neighbor (KNN) queries return the K closest answers in the database with respect to Q. In this scenario, it is...