Sciweavers

1715 search results - page 33 / 343
» Document Retrieval using a Probabilistic Knowledge Model
Sort
View
SIGIR
1995
ACM
13 years 11 months ago
Probability Kinematics in Information Retrieval
We analyse the kinematics of probabilistic term weights at retrieval time for di erent Information Retrieval models. We present four models based on di erent notions of probabilis...
Fabio Crestani, C. J. van Rijsbergen
WSDM
2012
ACM
309views Data Mining» more  WSDM 2012»
12 years 2 months ago
Mining contrastive opinions on political texts using cross-perspective topic model
This paper presents a novel opinion mining research problem, which is called Contrastive Opinion Modeling (COM). Given any query topic and a set of text collections from multiple ...
Yi Fang, Luo Si, Naveen Somasundaram, Zhengtao Yu
CIKM
2008
Springer
13 years 9 months ago
Modeling multi-step relevance propagation for expert finding
An expert finding system allows a user to type a simple text query and retrieve names and contact information of individuals that possess the expertise expressed in the query. Thi...
Pavel Serdyukov, Henning Rode, Djoerd Hiemstra
CORR
2004
Springer
180views Education» more  CORR 2004»
13 years 7 months ago
Self-Organized Stigmergic Document Maps: Environment as a Mechanism for Context Learning
Social insect societies and more specifically ant colonies, are distributed systems that, in spite of the simplicity of their individuals, present a highly structured social organi...
Vitorino Ramos, Juan J. Merelo Guervós
EMNLP
2007
13 years 8 months ago
A Statistical Language Modeling Approach to Lattice-Based Spoken Document Retrieval
Speech recognition transcripts are far from perfect; they are not of sufficient quality to be useful on their own for spoken document retrieval. This is especially the case for c...
Tee Kiah Chia, Haizhou Li, Hwee Tou Ng