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136
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GIS
2009
ACM
15 years 1 months ago
2009
ACM
We propose a location-based query anonymization technique, LBS (k,T)-anonymization, that ensures anonymity of user's query in a specific time window against what we call know...
148
Voted
GIS
2010
ACM
15 years 26 days ago
2010
ACM
Mobile intention recognition is the problem of inferring a mobile user's intentions from her behavior in geographic space. Such behavior is constrained in space and time. Cur...
219
Voted
PROPOR
2012
Springer
13 years 11 months ago
2012
Springer
This paper provides an overview of the current version of SIGA, a system that supports the organization of information retrieval (IR) evaluations. SIGA was recently used in Págico...
223
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GIS
2007
ACM
16 years 4 months ago
2007
ACM
We propose a general framework to index very large datasets of spatial data in a distributed system. Our proposal is built on the recently proposed Scalable Distributed Rtree (SD-...
226
Voted
GIS
2008
ACM
16 years 4 months ago
2008
ACM
In order to deal with inconsistent databases, a repair semantics defines a set of admissible database instances that restore consistency, while staying close to the original insta...