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SIGIR
2006
ACM
16 years 20 days ago
Regularized estimation of mixture models for robust pseudo-relevance feedback
Pseudo-relevance feedback has proven to be an effective strategy for improving retrieval accuracy in all retrieval models. However the performance of existing pseudo feedback meth...
Tao Tao, ChengXiang Zhai
JOT
2010
216views more  JOT 2010»
15 years 5 months ago
A UML and Colored Petri Nets Integrated Modeling and Analysis Approach using Graph Transformation
Nowadays, UML is considered to be the standardized language for object-oriented modeling and analysis. However, UML cannot be used for automatic analyses and simulation. In this pa...
Elhillali Kerkouche, Allaoua Chaoui, El Bay Bouren...
WADT
2004
Springer
16 years 1 days ago
Type Class Polymorphism in an Institutional Framework
Higher-order logic with shallow type class polymorphism is widely used as a specification formalism. Its polymorphic entities (types, operators, axioms) can easily be equipped wit...
Lutz Schröder, Till Mossakowski, Christoph L&...
WAIM
2010
Springer
15 years 5 months ago
A Model for Automatic Generation of Multi-partite Graphs from Arbitrary Data
In this paper we propose a generic model to generate basic multi-partite graphs obtained by associations found in arbitrary data. The interest of such a model is to be the formal ...
Ricardo A. Baeza-Yates, Nieves R. Brisaboa, Josep-...
ICWSM
2009
15 years 4 months ago
A Categorical Model for Discovering Latent Structure in Social Annotations
The advent of social tagging systems has enabled a new community-based view of the Web in which objects like images, videos, and Web pages are annotated by thousands of users. Und...
Said Kashoob, James Caverlee, Ying Ding