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» Parsing as Natural Deduction
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WWW
2009
ACM
15 years 10 months ago
SOFIE: a self-organizing framework for information extraction
This paper presents SOFIE, a system for automated ontology extension. SOFIE can parse natural language documents, extract ontological facts from them and link the facts into an on...
Fabian M. Suchanek, Mauro Sozio, Gerhard Weikum
CIKM
2009
Springer
15 years 4 months ago
The effect of negation on sentiment analysis and retrieval effectiveness
We investigate the problem of determining the polarity of sentiments when one or more occurrences of a negation term such as “not” appear in a sentence. The concept of the sco...
Lifeng Jia, Clement T. Yu, Weiyi Meng
AIIA
2007
Springer
15 years 3 months ago
A Tree Kernel-Based Shallow Semantic Parser for Thematic Role Extraction
We present a simple, two-steps supervised strategy for the identification and classification of thematic roles in natural language texts. We employ no external source of informat...
Daniele Pighin, Alessandro Moschitti
SIGIR
2004
ACM
15 years 3 months ago
Effectiveness of web page classification on finding list answers
List question answering (QA) offers a unique challenge in effectively and efficiently locating a complete set of distinct answers from huge corpora or the Web. In TREC-12, the med...
Hui Yang, Tat-Seng Chua
GECCO
2003
Springer
111views Optimization» more  GECCO 2003»
15 years 2 months ago
Evolutionary Computing as a Tool for Grammar Development
Abstract. In this paper, an agent-based evolutionary computing technique is introduced, that is geared towards the automatic induction and optimization of grammars for natural lang...
Guy De Pauw