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» Information Retrieval in Structured Domains
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AIRS
2008
Springer
15 years 7 months ago
An Opinion Analysis System Using Domain-Specific Lexical Knowledge
Abstract. In this paper, we describe an opinion analysis system using domainspecific lexical knowledge in Korean economic news. We tested our hypothesis that such domain-specific k...
Youngho Kim, Yuchul Jung, Sung-Hyon Myaeng
SIGIR
2003
ACM
15 years 6 months ago
Structured use of external knowledge for event-based open domain question answering
One of the major problems in question answering (QA) is that the queries are either too brief or often do not contain most relevant terms in the target corpus. In order to overcom...
Hui Yang, Tat-Seng Chua, Shuguang Wang, Chun-Keat ...
ACL
2009
14 years 11 months ago
Optimizing Language Model Information Retrieval System with Expectation Maximization Algorithm
Statistical language modeling (SLM) has been used in many different domains for decades and has also been applied to information retrieval (IR) recently. Documents retrieved using...
Justin Liang-Te Chiu, Jyun-Wei Huang
SIGIR
2006
ACM
15 years 7 months ago
Is XML retrieval meaningful to users?: searcher preferences for full documents vs. elements
The aim of this study is to investigate whether element retrieval (as opposed to full-text retrieval) is meaningful and useful for searchers when carrying out information-seeking ...
Birger Larsen, Anastasios Tombros, Saadia Malik
IJCAI
2003
15 years 2 months ago
Domain Event Extraction and Representation with Domain Ontology
With domain ontology, a meaningful index of document indexing, such as the domain events structure in this paper, can be defined. Since the construction of domain ontology is cost...
Shih-Hung Wu, Tzong-Han Tsai, Wen-Lian Hsu