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PODS
2010
ACM
213views Database» more  PODS 2010»
14 years 2 months ago
Expressive languages for path queries over graph-structured data
For many problems arising in the setting of graph querying (such as finding semantic associations in RDF graphs, exact and approximate pattern matching, sequence alignment, etc.)...
Pablo Barceló, Carlos A. Hurtado, Leonid Li...
PODS
2000
ACM
137views Database» more  PODS 2000»
14 years 1 months ago
Query Containment for Data Integration Systems
The problem of query containment is fundamental to many aspects of database systems, including query optimization, determining independence of queries from updates, and rewriting ...
Todd D. Millstein, Alon Y. Levy, Marc Friedman
COLT
2000
Springer
14 years 19 days ago
The Role of Critical Sets in Vapnik-Chervonenkis Theory
In the present paper, we present the theoretical basis, as well as an empirical validation, of a protocol designed to obtain effective VC dimension estimations in the case of a si...
Nicolas Vayatis
AIRWEB
2008
Springer
13 years 11 months ago
A large-scale study of automated web search traffic
As web search providers seek to improve both relevance and response times, they are challenged by the ever-increasing tax of automated search query traffic. Third party systems in...
Gregory Buehrer, Jack W. Stokes, Kumar Chellapilla
AAAI
2000
13 years 10 months ago
STA: Spatio-Temporal Aggregation with Applications to Analysis of Diffusion-Reaction Phenomena
Spatio-temporal data sets arise when time-varying physical fields are discretized for simulation or analysis. Examples of time-varying fields are isothermal regions in the sea or ...
Iván Ordóñez, Feng Zhao