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CIKM
2008
Springer
13 years 11 months ago
A latent variable model for query expansion using the hidden markov model
We propose a novel probabilistic method based on the Hidden Markov Model (HMM) to learn the structure of a Latent Variable Model (LVM) for query language modeling. In the proposed...
Qiang Huang, Dawei Song
DASFAA
2011
IEEE
221views Database» more  DASFAA 2011»
12 years 12 months ago
A Unified Algorithm for Continuous Monitoring of Spatial Queries
Continuous monitoring of spatial queries has gained significant research attention in the past few years. Although numerous algorithms have been proposed to solve speciļ¬c queries...
Mahady Hasan, Muhammad Aamir Cheema, Xuemin Lin, W...
WWW
2004
ACM
14 years 10 months ago
Providing ranked relevant results for web database queries
Often Web database users experience difficulty in articulating their needs using a precise query. Providing ranked set of possible answers would benefit such users. We propose to ...
Ullas Nambiar, Subbarao Kambhampati
MFCS
2009
Springer
14 years 4 months ago
Query Automata for Nested Words
We study visibly pushdown automata (VPA) models for expressing and evaluating queries, expressed using MSO formulas, on words with a nesting structure (like XML documents). We deļ...
P. Madhusudan, Mahesh Viswanathan
SOFSEM
2010
Springer
14 years 6 months ago
Continuous Processing of Preference Queries in Data Streams
Preference queries have received considerable attention in the recent past, due to their use in selecting the most preferred objects, especially when the selection criteria are con...
Maria Kontaki, Apostolos N. Papadopoulos, Yannis M...