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» Multisource Algorithmic Information Theory
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IUI
2006
ACM
15 years 7 months ago
Towards intelligent QA interfaces: discourse processing for context questions
Question answering (QA) systems take users’ natural language questions and retrieve relevant answers from large repositories of free texts. Despite recent progress in QA researc...
Mingyu Sun, Joyce Y. Chai
ECIR
2007
Springer
15 years 3 months ago
Combining Evidence for Relevance Criteria: A Framework and Experiments in Web Retrieval
Abstract. We present a framework that assesses relevance with respect to several relevance criteria, by combining the query-dependent and query-independent evidence indicating thes...
Theodora Tsikrika, Mounia Lalmas
WWW
2004
ACM
16 years 2 months ago
Link fusion: a unified link analysis framework for multi-type interrelated data objects
Web link analysis has proven to be a significant enhancement for quality based web search. Most existing links can be classified into two categories: intra-type links (e.g., web h...
Wensi Xi, Benyu Zhang, Zheng Chen, Yizhou Lu, Shui...
GIS
2007
ACM
16 years 2 months ago
Linear feature extraction using perceptual grouping and graph-cuts
In this paper we present a novel system for the detection and extraction of road map information from high-resolution satellite imagery. Uniquely, the proposed system is an integr...
Charalambos Poullis, Suya You, Ulrich Neumann
WWW
2008
ACM
16 years 2 months ago
Social and semantics analysis via non-negative matrix factorization
Social media such as Web forum often have dense interactions between user and content where network models are often appropriate for analysis. Joint non-negative matrix factorizat...
Zhi-Li Wu, Chi-Wa Cheng, Chun-hung Li