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ACL
2007
13 years 10 months ago
A discriminative language model with pseudo-negative samples
In this paper, we propose a novel discriminative language model, which can be applied quite generally. Compared to the well known N-gram language models, discriminative language m...
Daisuke Okanohara, Jun-ichi Tsujii
ICALT
2010
IEEE
13 years 10 months ago
Students' Perceptions of the Factors Leading to Unsuccessful Group Collaboration
A nationwide sample of university students completed a survey that asked questions about their perceptions of the factors that can cause problems which exist with online or general...
Shuangyan Liu, Mike Joy, Nathan Griffiths
ICIP
2002
IEEE
14 years 10 months ago
Semantic based categorization, browsing and retrieval in medical image databases
Content-based retrieval (CBIR) methods in medical databases have been designed to support specific tasks, such as retrieval of digital mammograms or 3D MRI images. These methods c...
Aleksandra Mojsilovic, José Gomes
ICDE
2006
IEEE
144views Database» more  ICDE 2006»
14 years 10 months ago
Materialized Sample Views for Database Approximation
We consider the problem of creating a sample view of a database table. A sample view is an indexed, materialized view that permits efficient sampling from an arbitrary range query...
Shantanu Joshi, Chris Jermaine
ASPLOS
1998
ACM
14 years 1 months ago
Performance of Database Workloads on Shared-Memory Systems with Out-of-Order Processors
Database applications such as online transaction processing (OLTP) and decision support systems (DSS) constitute the largest and fastest-growing segment of the market for multipro...
Parthasarathy Ranganathan, Kourosh Gharachorloo, S...