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ACL
2007
15 years 6 months ago
PageRanking WordNet Synsets: An Application to Opinion Mining
This paper presents an application of PageRank, a random-walk model originally devised for ranking Web search results, to ranking WordNet synsets in terms of how strongly they pos...
Andrea Esuli, Fabrizio Sebastiani
ECAI
2010
Springer
15 years 6 months ago
Discovering an Event Taxonomy from Video using Qualitative Spatio-temporal Graphs
This work proposes a graph mining based approach to mine a taxonomy of events from activities for complex videos which are represented in terms of qualitative spatio-temporal relat...
Muralikrishna Sridhar, Anthony G. Cohn, David C. H...
ICDM
2007
IEEE
135views Data Mining» more  ICDM 2007»
15 years 11 months ago
Private Inference Control for Aggregate Database Queries
Data security is a critical issue for many organizations. Sensitive data must be protected from both inside and outside attackers. Access control policies and related mechanisms h...
Geetha Jagannathan, Rebecca N. Wright
KDD
2003
ACM
191views Data Mining» more  KDD 2003»
16 years 5 months ago
Assessment and pruning of hierarchical model based clustering
The goal of clustering is to identify distinct groups in a dataset. The basic idea of model-based clustering is to approximate the data density by a mixture model, typically a mix...
Jeremy Tantrum, Alejandro Murua, Werner Stuetzle
FLAIRS
2010
15 years 7 months ago
Handling of Numeric Ranges for Graph-Based Knowledge Discovery
Nowadays, graph-based knowledge discovery algorithms do not consider numeric attributes (they are discarded in the preprocessing step, or they are treated as alphanumeric values w...
Oscar E. Romero, Jesus A. Gonzalez, Lawrence B. Ho...