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IDEAS
2006
IEEE
146views Database» more  IDEAS 2006»
16 years 27 days ago
Trajectory Similarity Search in Spatial Networks
In several applications, data objects are assumed to move on predefined spatial networks such as road segments, railways, invisible air routes. Moving objects may exhibit similar...
Eleftherios Tiakas, Apostolos N. Papadopoulos, Ale...
206
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STACS
2005
Springer
16 years 10 days ago
Worst-Case and Average-Case Approximations by Simple Randomized Search Heuristics
Abstract. In recent years, probabilistic analyses of algorithms have received increasing attention. Despite results on the average-case complexity and smoothed complexity of exact ...
Carsten Witt
194
Voted
ICDM
2003
IEEE
104views Data Mining» more  ICDM 2003»
16 years 4 days ago
Structure Search and Stability Enhancement of Bayesian Networks
Learning Bayesian network structure from large-scale data sets, without any expertspecified ordering of variables, remains a difficult problem. We propose systematic improvements ...
Hanchuan Peng, Chris H. Q. Ding
187
Voted
WEBDB
2010
Springer
167views Database» more  WEBDB 2010»
15 years 12 months ago
Tree patterns with Full Text Search
Tree patterns with full text search form the core of both XQuery Full Text and the NEXI query language. On such queries, users expect a relevance-ranked list of XML elements as an...
Maria-Hendrike Peetz, Maarten Marx
163
Voted
SDM
2007
SIAM
103views Data Mining» more  SDM 2007»
15 years 8 months ago
A System for Keyword Search on Textual Streams
An increasing amount of data is produced in the form of text streams − these can be RSS news feeds, TV closed captions, emails, etc. We study the problem of answering keyword qu...
Vagelis Hristidis, Oscar Valdivia, Michail Vlachos...