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IR
2010
15 years 5 months ago
Gradient descent optimization of smoothed information retrieval metrics
Abstract Most ranking algorithms are based on the optimization of some loss functions, such as the pairwise loss. However, these loss functions are often different from the criter...
Olivier Chapelle, Mingrui Wu
PVLDB
2010
142views more  PVLDB 2010»
15 years 5 months ago
Distributed Caching Platforms
With the advances in processing, memory, and connectivity technologies, applications are becoming increasingly distributed, data-centric, and web based. These applications demand ...
Anil Nori
EMNLP
2010
15 years 4 months ago
Staying Informed: Supervised and Semi-Supervised Multi-View Topical Analysis of Ideological Perspective
With the proliferation of user-generated articles over the web, it becomes imperative to develop automated methods that are aware of the ideological-bias implicit in a document co...
Amr Ahmed, Eric P. Xing
INLG
2010
Springer
15 years 4 months ago
Grouping Axioms for More Coherent Ontology Descriptions
Ontologies and datasets for the Semantic Web are encoded in OWL formalisms that are not easily comprehended by people. To make ontologies accessible to human domain experts, sever...
Sandra Williams, Richard Power
ACL
2009
15 years 4 months ago
Query Segmentation Based on Eigenspace Similarity
Query segmentation is essential to query processing. It aims to tokenize query words into several semantic segments and help the search engine to improve the precision of retrieva...
Chao Zhang, Nan Sun, Xia Hu, Tingzhu Huang, Tat-Se...