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» A System for Adaptive Information Retrieval
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JOC
2007
93views more  JOC 2007»
14 years 9 months ago
Robust Information-Theoretic Private Information Retrieval
A Private Information Retrieval (PIR) protocol allows a user to retrieve a data item of its choice from a database, such that the servers storing the database do not gain informat...
Amos Beimel, Yoav Stahl
PR
2006
141views more  PR 2006»
14 years 9 months ago
Relaxational metric adaptation and its application to semi-supervised clustering and content-based image retrieval
The performance of many supervised and unsupervised learning algorithms is very sensitive to the choice of an appropriate distance metric. Previous work in metric learning and ada...
Hong Chang, Dit-Yan Yeung, William K. Cheung
WWW
2011
ACM
14 years 4 months ago
From actors, politicians, to CEOs: domain adaptation of relational extractors using a latent relational mapping
We propose a method to adapt an existing relation extraction system to extract new relation types with minimum supervision. Our proposed method comprises two stages: learning a lo...
Danushka Bollegala, Yutaka Matsuo, Mitsuru Ishizuk...
DAS
2008
Springer
14 years 11 months ago
Symbol Descriptor Based on Shape Context and Vector Model of Information Retrieval
In this paper we present an adaptive method for graphic symbol representation based on shape contexts. The proposed descriptor is invariant under classical geometric transforms (r...
T.-O. Nguyen, Salvatore Tabbone, Oriol Ramos Terra...
IPM
2007
114views more  IPM 2007»
14 years 9 months ago
s-grams: Defining generalized n-grams for information retrieval
For European languages, n-gram has proved to be the cost effective alternative to morphological processing during indexing task and it has been studied and analyzed extensively us...
Anni Järvelin, Antti Järvelin, Kalervo J...