Sciweavers

24105 search results - page 101 / 4821
» Models in Information Retrieval
Sort
View
SIGIR
2008
ACM
13 years 9 months ago
Parsimonious relevance models
We describe a method for applying parsimonious language models to re-estimate the term probabilities assigned by relevance models. We apply our method to six topic sets from test ...
Edgar Meij, Wouter Weerkamp, Krisztian Balog, Maar...
SIGIR
2005
ACM
14 years 2 months ago
Question answering passage retrieval using dependency relations
State-of-the-art question answering (QA) systems employ termdensity ranking to retrieve answer passages. Such methods often retrieve incorrect passages as relationships among ques...
Hang Cui, Renxu Sun, Keya Li, Min-Yen Kan, Tat-Sen...
SPIRE
2004
Springer
14 years 2 months ago
Metric Indexing for the Vector Model in Text Retrieval
In the area of Text Retrieval, processing a query in the vector model has been verified to be qualitatively more effective than searching in the boolean model. However, in case o...
Tomás Skopal, Pavel Moravec, Jaroslav Pokor...
SIGIR
2009
ACM
14 years 3 months ago
A latent topic model for linked documents
Documents in many corpora, such as digital libraries and webpages, contain both content and link information. To explicitly consider the document relations represented by links, i...
Zhen Guo, Shenghuo Zhu, Yun Chi, Zhongfei Zhang, Y...
CIVR
2004
Springer
141views Image Analysis» more  CIVR 2004»
14 years 2 months ago
Natural Scene Retrieval Based on a Semantic Modeling Step
In this paper, we present an approach for the retrieval of natural scenes based on a semantic modeling step. Semantic modeling stands for the classification of local image regions...
Julia Vogel, Bernt Schiele