Sciweavers

123 search results - page 19 / 25
» AnswerFinder in TREC 2003
Sort
View
SIGIR
2003
ACM
14 years 2 months ago
Generating hierarchical summaries for web searches
Hierarchies provide a means of organizing, summarizing and accessing information. We describe a method for automatically generating hierarchies from small collections of text, and...
Dawn J. Lawrie, W. Bruce Croft
SIGIR
2003
ACM
14 years 2 months ago
Assessing the effectiveness of pen-based input queries
In this poster, we describe an experiment exploring the effectiveness of a pen based text input device for use in query construction. Standard TREC queries were written, recognise...
Stephen Levin, Paul Clough, Mark Sanderson
CIKM
2003
Springer
14 years 2 months ago
Time-based language models
We explore the relationship between time and relevance using TREC ad-hoc queries. A type of query is identified that favors very recent documents. We propose a time-based language...
Xiaoyan Li, W. Bruce Croft
CIVR
2003
Springer
154views Image Analysis» more  CIVR 2003»
14 years 2 months ago
Detecting Semantic Concepts from Video Using Temporal Gradients and Audio Classification
In this paper we describe new methods to detect semantic concepts from digital video based on audible and visual content. Temporal Gradient Correlogram captures temporal correlatio...
Mika Rautiainen, Tapio Seppänen, Jani Penttil...
TREC
2003
13 years 11 months ago
Ranking Function Discovery by Genetic Programming for Robust Retrieval
Ranking functions are instrumental for the success of an information retrieval (search engine) system. However nearly all existing ranking functions are manually designed based on...
Li Wang, Weiguo Fan, Rui Yang, Wensi Xi, Ming Luo,...