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EMNLP
2009
13 years 5 months ago
Gazpacho and summer rash: lexical relationships from temporal patterns of web search queries
In this paper we investigate temporal patterns of web search queries. We carry out several evaluations to analyze the properties of temporal profiles of queries, revealing promisi...
Enrique Alfonseca, Massimiliano Ciaramita, Keith H...
AIED
2009
Springer
14 years 1 months ago
Assessing Student Paraphrases Using Lexical Semantics and Word Weighting
We present in this paper an approach to assessing student paraphrases in the intelligent tutoring system iSTART. The approach is based on measuring the semantic similarity between ...
Vasile Rus, Mihai C. Lintean, Arthur C. Graesser, ...
EMNLP
2009
13 years 5 months ago
A Study on the Semantic Relatedness of Query and Document Terms in Information Retrieval
The use of lexical semantic knowledge in information retrieval has been a field of active study for a long time. Collaborative knowledge bases like Wikipedia and Wiktionary, which...
Christof Müller, Iryna Gurevych
AAAI
2008
13 years 9 months ago
Using Wiktionary for Computing Semantic Relatedness
We introduce Wiktionary as an emerging lexical semantic resource that can be used as a substitute for expert-made resources in AI applications. We evaluate Wiktionary on the perva...
Torsten Zesch, Christof Müller, Iryna Gurevyc...
EMNLP
2007
13 years 8 months ago
Lexical Semantic Relatedness with Random Graph Walks
Many systems for tasks such as question answering, multi-document summarization, and information retrieval need robust numerical measures of lexical relatedness. Standard thesauru...
Thad Hughes, Daniel Ramage