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ICDE
2007
IEEE
128views Database» more  ICDE 2007»
14 years 9 months ago
Efficient Evaluation of All-Nearest-Neighbor Queries
The All Nearest Neighbor (ANN) operation is a commonly used primitive for analyzing large multi-dimensional datasets. Since computing ANN is very expensive, in previous works R*-t...
Yun Chen, Jignesh M. Patel
EMNLP
2007
13 years 9 months ago
Learning Noun Phrase Query Segmentation
Query segmentation is the process of taking a user’s search-engine query and dividing the tokens into individual phrases or semantic units. Identification of these query segmen...
Shane Bergsma, Qin Iris Wang
IPM
2008
113views more  IPM 2008»
13 years 7 months ago
Lexical cohesion and term proximity in document ranking
We demonstrate effective new methods of document ranking based on lexical cohesive relationships between query terms. The proposed methods rely solely on the lexical relationships...
Olga Vechtomova, Murat Karamuftuoglu
IPM
2007
131views more  IPM 2007»
13 years 7 months ago
Beyond SumBasic: Task-focused summarization with sentence simplification and lexical expansion
In recent years, there has been increased interest in topic-focused multi-document summarization. In this task, automatic summaries are produced in response to a specific informat...
Lucy Vanderwende, Hisami Suzuki, Chris Brockett, A...
SPIRE
2010
Springer
13 years 6 months ago
Evaluation of Query Performance Prediction Methods by Range
During the last years a great number of Query Performance Prediction methods have been proposed. However, this explosion of prediction method proposals have not been paralleled by ...
Joaquín Pérez-Iglesias, Lourdes Arau...