Sciweavers

2080 search results - page 20 / 416
» Collections, Cardinalities, and Relations
Sort
View
191
Voted
SIGMOD
2005
ACM
164views Database» more  SIGMOD 2005»
16 years 2 months ago
RankSQL: Query Algebra and Optimization for Relational Top-k Queries
This paper introduces RankSQL, a system that provides a systematic and principled framework to support efficient evaluations of ranking (top-k) queries in relational database syst...
Chengkai Li, Kevin Chen-Chuan Chang, Ihab F. Ilyas...
125
Voted
AAMAS
2008
Springer
15 years 2 months ago
Norms and plans as unification criteria for social collectives
Abstract. Based on the formal-ontological paradigm of Constructive Descriptions and Situations, we propose a definition of social collectives that includes social agents, plans, no...
Aldo Gangemi
112
Voted
APPROX
2006
Springer
130views Algorithms» more  APPROX 2006»
15 years 5 months ago
Tight Results on Minimum Entropy Set Cover
In the minimum entropy set cover problem, one is given a collection of k sets which collectively cover an n-element ground set. A feasible solution of the problem is a partition o...
Jean Cardinal, Samuel Fiorini, Gwenaël Joret
120
Voted
ICDM
2008
IEEE
150views Data Mining» more  ICDM 2008»
15 years 8 months ago
Pseudolikelihood EM for Within-network Relational Learning
In this work, we study the problem of within-network relational learning and inference, where models are learned on a partially labeled relational dataset and then are applied to ...
Rongjing Xiang, Jennifer Neville
CIKM
2005
Springer
15 years 7 months ago
Predicting accuracy of extracting information from unstructured text collections
Exploiting lexical and semantic relationships in large unstructured text collections can significantly enhance managing, integrating, and querying information locked in unstructur...
Eugene Agichtein, Silviu Cucerzan