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VLDB
2002
ACM
108views Database» more  VLDB 2002»
15 years 1 months ago
Adaptive Index Structures
Traditional indexes aim at optimizing the node accesses during query processing, which, however, does not necessarily minimize the total cost due to the possibly large number of r...
Yufei Tao, Dimitris Papadias
LATINCRYPT
2010
15 years 23 days ago
A Lattice-Based Threshold Ring Signature Scheme
In this article, we propose a new lattice-based threshold ring signature scheme, modifying Aguilar’s code-based solution to use the short integer solution (SIS) problem as securi...
Pierre-Louis Cayrel, Richard Lindner, Markus R&uum...
ACL
2010
15 years 11 days ago
Hierarchical Sequential Learning for Extracting Opinions and Their Attributes
Automatic opinion recognition involves a number of related tasks, such as identifying the boundaries of opinion expression, determining their polarity, and determining their inten...
Yejin Choi, Claire Cardie
EMNLP
2010
15 years 10 days ago
Minimum Error Rate Training by Sampling the Translation Lattice
Minimum Error Rate Training is the algorithm for log-linear model parameter training most used in state-of-the-art Statistical Machine Translation systems. In its original formula...
Samidh Chatterjee, Nicola Cancedda
SIGDIAL
2010
15 years 6 days ago
Parameter estimation for agenda-based user simulation
This paper presents an agenda-based user simulator which has been extended to be trainable on real data with the aim of more closely modelling the complex rational behaviour exhib...
Simon Keizer, Milica Gasic, Filip Jurcícek,...