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ECIR
2007
Springer
13 years 5 months ago
Query Hardness Estimation Using Jensen-Shannon Divergence Among Multiple Scoring Functions
We consider the issue of query performance, and we propose a novel method for automatically predicting the difficulty of a query. Unlike a number of existing techniques which are b...
Javed A. Aslam, Virgiliu Pavlu
ECIR
2007
Springer
13 years 5 months ago
Using Topic Shifts for Focussed Access to XML Repositories
Abstract. In focussed XML retrieval, a retrieval unit is an XML element that not only contains information relevant to a user query, but also is specific to the query. INEX defin...
Elham Ashoori, Mounia Lalmas
ECIR
2007
Springer
13 years 5 months ago
Search of Spoken Documents Retrieves Well Recognized Transcripts
This paper presents a series of analyses and experiments on spoken document retrieval systems: search engines that retrieve transcripts produced by speech recognizers. Results show...
Mark Sanderson, Xiao Mang Shou
ECIR
2007
Springer
13 years 5 months ago
Term Selection and Query Operations for Video Retrieval
Abstract. We investigate the influence of term selection and query operations on the text retrieval component of video search. Our main finding is that the greatest gain is to be...
Bouke Huurnink, Maarten de Rijke
ECIR
2007
Springer
13 years 5 months ago
Entropy-Based Authorship Search in Large Document Collections
The purpose of authorship search is to identify documents written by a particular author or in a particular style in large document collections. Standard search engines match docum...
Ying Zhao, Justin Zobel
ECIR
2007
Springer
13 years 5 months ago
Probabilistic Models for Expert Finding
A common task in many applications is to find persons who are knowledgeable about a given topic (i.e., expert finding). In this paper, we propose and develop a general probabilis...
Hui Fang, ChengXiang Zhai
ECIR
2007
Springer
13 years 5 months ago
Advanced Structural Representations for Question Classification and Answer Re-ranking
Silvia Quarteroni, Alessandro Moschitti, Suresh Ma...
ECIR
2007
Springer
13 years 5 months ago
Model Tree Learning for Query Term Weighting in Question Answering
Question answering systems rely on retrieval components to identify documents that contain an answer to a user’s question. The formulation of queries that are used for retrieving...
Christof Monz