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» Answering Queries using Humans, Algorithms and Databases
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EDBT
2008
ACM
150views Database» more  EDBT 2008»
16 years 4 months ago
Finding time-dependent shortest paths over large graphs
The spatial and temporal databases have been studied widely and intensively over years. In this paper, we study how to answer queries of finding the best departure time that minim...
Bolin Ding, Jeffrey Xu Yu, Lu Qin
142
Voted
CONCUR
2006
Springer
15 years 6 months ago
Inference of Event-Recording Automata Using Timed Decision Trees
In regular inference, the problem is to infer a regular language, typically represented by a deterministic finite automaton (DFA) from answers to a finite set of membership querie...
Olga Grinchtein, Bengt Jonsson, Paul Pettersson
GIS
2010
ACM
15 years 2 months ago
Towards location-based social networking services
Social networking applications have become very important web services that provide Internet-based platforms for their users to interact with their friends. With the advances in t...
Chi-Yin Chow, Jie Bao 0003, Mohamed F. Mokbel
SIGMOD
1998
ACM
166views Database» more  SIGMOD 1998»
15 years 8 months ago
CONTROL: Continuous Output and Navigation Technology with Refinement On-Line
The CONTROL project at U.C. Berkeley has developed technologies to provide online behavior for data-intensive applications. Using new query processing algorithms, these technologi...
Ron Avnur, Joseph M. Hellerstein, Bruce Lo, Chris ...
HPDC
2010
IEEE
15 years 5 months ago
New caching techniques for web search engines
This paper proposes a cache hierarchy that enables Web search engines to efficiently process user queries. The different caches in the hierarchy are used to store pieces of data w...
Mauricio Marín, Veronica Gil Costa, Carlos ...