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KDD
2009
ACM
227views Data Mining» more  KDD 2009»
16 years 7 months ago
User grouping behavior in online forums
Online forums represent one type of social media that is particularly rich for studying human behavior in information seeking and diffusing. The way users join communities is a re...
Xiaolin Shi, Jun Zhu, Rui Cai, Lei Zhang
VLDB
2007
ACM
118views Database» more  VLDB 2007»
16 years 6 months ago
Materialized Views in Probabilistic Databases for Information Exchange and Query Optimization
Views over probabilistic data contain correlations between tuples, and the current approach is to capture these correlations using explicit lineage. In this paper we propose an al...
Christopher Re, Dan Suciu
VLDB
2008
ACM
170views Database» more  VLDB 2008»
16 years 6 months ago
A multi-ranker model for adaptive XML searching
The evolution of computing technology suggests that it has become more feasible to offer access to Web information in a ubiquitous way, through various kinds of interaction device...
Ho Lam Lau, Wilfred Ng
PODS
2007
ACM
159views Database» more  PODS 2007»
16 years 6 months ago
Generalized hypertree decompositions: np-hardness and tractable variants
The generalized hypertree width GHW(H) of a hypergraph H is a measure of its cyclicity. Classes of conjunctive queries or constraint satisfaction problems whose associated hypergr...
Georg Gottlob, Thomas Schwentick, Zoltán Mi...
PERCOM
2009
ACM
16 years 1 months ago
Auction-Based Congestion Management for Target Tracking in Wireless Sensor Networks
—This paper addresses the problem of providing congestion-management for a shared wireless sensor networkbased target tracking system. In many large-scale wireless sensor network...
Lei Chen 0005, Boleslaw K. Szymanski, Joel W. Bran...