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GIS
2009
ACM
14 years 11 months ago
Spatio-Textual Spreadsheets: Geotagging via Spatial Coherence
The spatio-textual spreadsheet is a conventional spreadsheet where spatial attribute values are specified textually. Techniques are presented to automatically find the textually-s...
Hanan Samet, Jagan Sankaranarayanan, Jon Sperling,...
SIGMOD
2009
ACM
202views Database» more  SIGMOD 2009»
14 years 10 months ago
ZStream: a cost-based query processor for adaptively detecting composite events
Composite (or Complex) event processing (CEP) systems search sequences of incoming events for occurrences of userspecified event patterns. Recently, they have gained more attentio...
Yuan Mei, Samuel Madden
EDBT
2008
ACM
111views Database» more  EDBT 2008»
14 years 10 months ago
Micro-aggregation-based heuristics for p-sensitive k-anonymity: one step beyond
Micro-data protection is a hot topic in the field of Statistical Disclosure Control (SDC), that has gained special interest after the disclosure of 658000 queries by the AOL searc...
Agusti Solanas, Francesc Sebé, Josep Doming...
WSDM
2010
ACM
245views Data Mining» more  WSDM 2010»
14 years 7 months ago
Improving Quality of Training Data for Learning to Rank Using Click-Through Data
In information retrieval, relevance of documents with respect to queries is usually judged by humans, and used in evaluation and/or learning of ranking functions. Previous work ha...
Jingfang Xu, Chuanliang Chen, Gu Xu, Hang Li, Elbi...
WSDM
2009
ACM
191views Data Mining» more  WSDM 2009»
14 years 4 months ago
Generating labels from clicks
The ranking function used by search engines to order results is learned from labeled training data. Each training point is a (query, URL) pair that is labeled by a human judge who...
Rakesh Agrawal, Alan Halverson, Krishnaram Kenthap...
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