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PODS
2012
ACM
297views Database» more  PODS 2012»
11 years 9 months ago
Query-based data pricing
Data is increasingly being bought and sold online, and Webbased marketplace services have emerged to facilitate these activities. However, current mechanisms for pricing data are ...
Paraschos Koutris, Prasang Upadhyaya, Magdalena Ba...
ICDE
2012
IEEE
232views Database» more  ICDE 2012»
11 years 9 months ago
Horton: Online Query Execution Engine for Large Distributed Graphs
—Large graphs are used in many applications, such as social networking. The management of these graphs poses new challenges because such graphs are too large to fit on a single ...
Mohamed Sarwat, Sameh Elnikety, Yuxiong He, Gabrie...
ECIR
2010
Springer
13 years 8 months ago
Learning to Select a Ranking Function
Abstract. Learning To Rank (LTR) techniques aim to learn an effective document ranking function by combining several document features. While the function learned may be uniformly ...
Jie Peng, Craig Macdonald, Iadh Ounis
PVLDB
2010
93views more  PVLDB 2010»
13 years 5 months ago
Distributed Threshold Querying of General Functions by a Difference of Monotonic Representation
The goal of a threshold query is to detect all objects whose score exceeds a given threshold. This type of query is used in many settings, such as data mining, event triggering, a...
Guy Sagy, Daniel Keren, Izchak Sharfman, Assaf Sch...
DOLAP
2005
ACM
13 years 9 months ago
Modeling, querying and reasoning about OLAP databases: a functional approach
We propose a new functional framework for modeling, querying and reasoning about OLAP databases. The framework represents data (data cubes and dimensional hierarchies) and queryin...
Ken Q. Pu