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ICDE
2008
IEEE
132views Database» more  ICDE 2008»
14 years 8 months ago
The Space Complexity of Processing XML Twig Queries Over Indexed Documents
Abstract-- Current twig join algorithms incur high memory costs on queries that involve child-axis nodes. In this paper we provide an analytical explanation for this phenomenon. In...
Mirit Shalem, Ziv Bar-Yossef
CIE
2010
Springer
14 years 7 days ago
Processes in Space
We introduce a geometric process algebra based on affine geometry, with the aim of describing the concurrent evolution of geometric structures in 3D space. We prove a relativity th...
Luca Cardelli, Philippa Gardner
ICMCS
2008
IEEE
167views Multimedia» more  ICMCS 2008»
14 years 1 months ago
Statistical processing of video for detection of events in space and time
Recently, advanced video processing systems have been developed for numerous applications, such as surveillance, tracking, monitoring, object and event detection. The large size o...
Alexia Briassouli, Ioannis Kompatsiaris
CHI
1993
ACM
13 years 11 months ago
A design space for multimodal systems: concurrent processing and data fusion
Multimodal interaction enables the user to employ different modalities such as voice, gesture and typing for communicating with a computer. This paper presents an analysis of the ...
Laurence Nigay, Joëlle Coutaz
ICALT
2007
IEEE
14 years 1 months ago
Semantic processing for text mapping onto information space
This paper reports on an approach which maps documents onto an ontology-based information space in order to provide support for machine-mediated communication. First, a composite ...
Weiqiang Ou, Adel Elsayed