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VLDB
2008
ACM
196views Database» more  VLDB 2008»
14 years 10 months ago
Modelling retrieval models in a probabilistic relational algebra with a new operator: the relational Bayes
This paper presents a probabilistic relational modelling (implementation) of the major probabilistic retrieval models. Such a high-level implementation is useful since it supports ...
Thomas Rölleke, Hengzhi Wu, Jun Wang, Hany Azzam
ISAAC
2009
Springer
132views Algorithms» more  ISAAC 2009»
14 years 4 months ago
Online Sorted Range Reporting
Abstract. We study the following one-dimensional range reporting problem: On an array A of n elements, support queries that given two indices i ≤ j and an integer k report the k ...
Gerth Stølting Brodal, Rolf Fagerberg, Mark...
SSDBM
2008
IEEE
177views Database» more  SSDBM 2008»
14 years 4 months ago
Prioritized Evaluation of Continuous Moving Queries over Streaming Locations
Abstract. Existing approaches to the management of streaming positional updates generally assume that all active user requests have equal importance, ignoring the possibility of an...
Kostas Patroumpas, Timos K. Sellis
SLSFS
2005
Springer
14 years 3 months ago
Incorporating Constraints and Prior Knowledge into Factorization Algorithms - An Application to 3D Recovery
Abstract. Matrix factorization is a fundamental building block in many computer vision and machine learning algorithms. In this work we focus on the problem of ”structure from mo...
Amit Gruber, Yair Weiss
GISCIENCE
2004
Springer
159views GIS» more  GISCIENCE 2004»
14 years 3 months ago
The SPIRIT Spatial Search Engine: Architecture, Ontologies and Spatial Indexing
Abstract. The SPIRIT search engine provides a test bed for the development of web search technology that is specialised for access to geographical information. Major components inc...
Christopher B. Jones, Alia I. Abdelmoty, David Fin...