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SIGMOD
2008
ACM
210views Database» more  SIGMOD 2008»
14 years 5 months ago
Private queries in location based services: anonymizers are not necessary
Mobile devices equipped with positioning capabilities (e.g., GPS) can ask location-dependent queries to Location Based Services (LBS). To protect privacy, the user location must n...
Gabriel Ghinita, Panos Kalnis, Ali Khoshgozaran, C...
GIS
2010
ACM
13 years 3 months ago
Querying geo-social data by bridging spatial networks and social networks
Recording the location of people using location-acquisition technologies, such as GPS, allows generating life patterns, which associate people to places they frequently visit. Con...
Yerach Doytsher, Ben Galon, Yaron Kanza
WWW
2011
ACM
13 years 21 days ago
Here, there, and everywhere: correlated online behaviors can lead to overestimates of the effects of advertising
Measuring the causal effects of online advertising (adfx) on user behavior is important to the health of the WWW publishing industry. In this paper, using three controlled experi...
Randall A. Lewis, Justin M. Rao, David H. Reiley
WINE
2009
Springer
199views Economy» more  WINE 2009»
14 years 10 days ago
Externalities in Keyword Auctions: An Empirical and Theoretical Assessment
It is widely believed that the value of acquiring a slot in a sponsored search list (that comes along with the organic links in a search engine’s result page) highly depends on ...
Renato Gomes, Nicole Immorlica, Evangelos Markakis
CIKM
2003
Springer
13 years 11 months ago
Visual structures for image browsing
Content-Based Image Retrieval (CBIR) presents several challenges and has been subject to extensive research from many domains, such as image processing or database systems. Databa...
Ricardo da Silva Torres, Celmar G. Silva, Claudia ...