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» Hardening soft information sources
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SIGIR
2009
ACM
14 years 5 months ago
Extracting structured information from user queries with semi-supervised conditional random fields
When search is against structured documents, it is beneficial to extract information from user queries in a format that is consistent with the backend data structure. As one step...
Xiao Li, Ye-Yi Wang, Alex Acero
HOTSWUP
2009
ACM
14 years 3 months ago
Automating Database Schema Evolution in Information System Upgrades
The complexity, cost, and down-time currently created by the database schema evolution process is the source of incessant problems in the life of information systems and a major s...
Carlo Curino, Hyun Jin Moon, Carlo Zaniolo
JCP
2007
92views more  JCP 2007»
13 years 10 months ago
Lifelong Learning, Empirical Modelling and the Promises of Constructivism
—Educational technology is seen as key for lifelong learning, but it has yet to live up to expectation. We argue that current learning environments are typically oriented too muc...
Meurig Beynon, Antony Harfield
ICASSP
2011
IEEE
13 years 2 months ago
Continuous F0 in the source-excitation generation for HMM-based TTS: Do we need voiced/unvoiced classification?
Most HMM-based TTS systems use a hard voiced/unvoiced classification to produce a discontinuous F0 signal which is used for the generation of the source-excitation. When a mixed ...
Javier Latorre, Mark J. F. Gales, Sabine Buchholz,...
VTC
2010
IEEE
162views Communications» more  VTC 2010»
13 years 9 months ago
Performance Evaluation of Joint Network-Channel Coding under a Real Network Topology Model
— Adaptive network coded cooperation (ANCC) has been proposed as an effective scheme to combine network and channel coding for cooperative wireless networks by matching network-o...
Kun Pang, Zihuai Lin, Yonghui Li, Branka Vucetic