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» Improvements to the Psi-SSA representation
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IUI
2010
ACM
14 years 4 months ago
Facilitating exploratory search by model-based navigational cues
We present an extension of a computational cognitive model of social tagging and exploratory search called the semantic imitation model. The model assumes a probabilistic represen...
Wai-Tat Fu, Thomas George Kannampallil, Ruogu Kang
WWW
2010
ACM
14 years 2 months ago
Relational duality: unsupervised extraction of semantic relations between entities on the web
Extracting semantic relations among entities is an important first step in various tasks in Web mining and natural language processing such as information extraction, relation de...
Danushka Bollegala, Yutaka Matsuo, Mitsuru Ishizuk...
IEEEARES
2010
IEEE
14 years 2 months ago
Strategies for Reducing Risks of Inconsistencies in Access Control Policies
—Managing access control policies is a complex task. We argue that much of the complexity is unnecessary and mostly due to historical reasons. There are number of legacy policy s...
Bernard Stepien, Stan Matwin, Amy P. Felty
EDBT
2010
ACM
206views Database» more  EDBT 2010»
14 years 2 months ago
Efficient computation of trade-off skylines
When selecting alternatives from large amounts of data, trade-offs play a vital role in everyday decision making. In databases this is primarily reflected by the top-k retrieval p...
Christoph Lofi, Ulrich Güntzer, Wolf-Tilo Bal...
BIRTHDAY
2009
Springer
14 years 2 months ago
Hybrid BDD and All-SAT Method for Model Checking
We present a new hybrid BDD and SAT-based algorithm for model checking. Our algorithm is based on backward search, where each pre-image computation consists of an efficient All-SA...
Avi Yadgar, Orna Grumberg, Assaf Schuster