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DOLAP
1999
ACM
14 years 2 hour ago
Updating OLAP Dimensions
OLAP systems support data analysis through a multidimensional data model, according to which data facts are viewed as points in a space of application-related dimensions", or...
Carlos A. Hurtado, Alberto O. Mendelzon, Alejandro...
ISMIS
1999
Springer
13 years 12 months ago
A Statistical Approach to Rule Selection in Semantic Query Optimisation
Semantic Query Optimisation makes use of the semantic knowledge of a database (rules) to perform query transformation. Rules are normally learned from former queries fired by the u...
Barry G. T. Lowden, Jerome Robinson
FGR
2004
IEEE
142views Biometrics» more  FGR 2004»
13 years 11 months ago
On Automated Model-Based Extraction and Analysis of Gait
We develop a new model-based extraction process guided by biomechanical analysis for walking people, and analyse its data for recognition capability. Hierarchies of shape and moti...
David K. Wagg, Mark S. Nixon
ICALP
2000
Springer
13 years 11 months ago
On the Power of Tree-Walking Automata
Abstract. Tree-walking automata (TWAs) recently received new attention in the fields of formal languages and databases. Towards a better understanding of their expressiveness, we c...
Frank Neven, Thomas Schwentick
SIGCOMM
2000
ACM
13 years 11 months ago
Memory-efficient state lookups with fast updates
Routers must do a best matching pre x lookup for every packet solutions for Gigabit speeds are well known. As Internet link speeds higher, we seek a scalable solution whose speed ...
Sandeep Sikka, George Varghese