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» Evaluating Location Dependent Queries Using ISLANDS
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PET
2009
Springer
15 years 4 months ago
On the Optimal Placement of Mix Zones
Abstract. In mobile wireless networks, third parties can track the location of mobile nodes by monitoring the pseudonyms used for identification. A frequently proposed solution to...
Julien Freudiger, Reza Shokri, Jean-Pierre Hubaux
SPIESR
2004
118views Database» more  SPIESR 2004»
14 years 11 months ago
New method for visual descriptor evaluation
Evaluation in visual information retrieval is usually performed by executing test queries and calculating recall and precision based on predefined media collections and ground tru...
Horst Eidenberger
SPIRE
2004
Springer
15 years 3 months ago
Evaluating Relevance Feedback and Display Strategies for Searching on Small Displays
Abstract Searching information resources using mobile devices is affected by displays on which only a small fraction of the set of ranked documents can be displayed. In this study ...
Vishwa Vinay, Ingemar J. Cox, Natasa Milic-Fraylin...
CIKM
2003
Springer
15 years 2 months ago
Categorizing web queries according to geographical locality
Web pages (and resources, in general) can be characterized according to their geographical locality. For example, a web page with general information about wildflowers could be c...
Luis Gravano, Vasileios Hatzivassiloglou, Richard ...
ICDE
2000
IEEE
183views Database» more  ICDE 2000»
15 years 11 months ago
Accurate Estimation of the Cost of Spatial Selections
Optimizing queries that involve operations on spatial data requires estimating the selectivity and cost of these operations. In this paper, we focus on estimating the cost of spat...
Ashraf Aboulnaga, Jeffrey F. Naughton