Sciweavers

2340 search results - page 252 / 468
» Data abstraction and information hiding
Sort
View
CLEF
2008
Springer
15 years 8 months ago
Overview of QAST 2008
Abstract. This paper describes the experience of QAST 2008, the second time a pilot track of CLEF has been held aiming to evaluate the task of Question Answering in Speech Transcri...
Jordi Turmo, Pere Comas, Sophie Rosset, Lori Lamel...
ECIR
2010
Springer
15 years 8 months ago
Query Difficulty Prediction for Contextual Image Retrieval
Abstract. This paper explores how to predict query difficulty for contextual image retrieval. We reformulate the problem as the task of predicting how difficult to represent a quer...
Xing Xing, Yi Zhang 0001, Mei Han
ECIR
2007
Springer
15 years 8 months ago
Evaluating Query-Independent Object Features for Relevancy Prediction
Abstract. This paper presents a series of experiments investigating the effectiveness of query-independent features extracted from retrieved objects to predict relevancy. Features...
Andrés R. Masegosa, Hideo Joho, Joemon M. J...
ECIR
2007
Springer
15 years 8 months ago
Popularity Weighted Ranking for Academic Digital Libraries
Abstract. We propose a popularity weighted ranking algorithm for academic digital libraries that uses the popularity factor of a publication venue overcoming the limitations of imp...
Yang Sun, C. Lee Giles
ECIR
2008
Springer
15 years 8 months ago
Using Coherence-Based Measures to Predict Query Difficulty
Abstract. We investigate the potential of coherence-based scores to predict query difficulty. The coherence of a document set associated with each query word is used to capture the...
Jiyin He, Martha Larson, Maarten de Rijke