Sciweavers

2503 search results - page 315 / 501
» A study of 3-arc graphs
Sort
View
PODS
2004
ACM
96views Database» more  PODS 2004»
16 years 6 months ago
Roads, Codes and Spatiotemporal Queries
We present a novel coding-based technique for answering spatial and spatiotemporal queries on objects moving along a system of curves on the plane such as many road networks. We h...
Sandeep Gupta, Swastik Kopparty, Chinya V. Ravisha...
PODS
2005
ACM
131views Database» more  PODS 2005»
16 years 6 months ago
Space efficient mining of multigraph streams
The challenge of monitoring massive amounts of data generated by communication networks has led to the interest in data stream processing. We study streams of edges in massive com...
Graham Cormode, S. Muthukrishnan
MOBISYS
2006
ACM
16 years 5 months ago
Building realistic mobility models from coarse-grained traces
In this paper we present a trace-driven framework capable of building realistic mobility models for the simulation studies of mobile systems. With the goal of realism, this framew...
Jungkeun Yoon, Brian D. Noble, Mingyan Liu, Minkyo...
ICDE
2009
IEEE
126views Database» more  ICDE 2009»
16 years 22 days ago
Querying Communities in Relational Databases
— Keyword search on relational databases provides users with insights that they can not easily observe using the traditional RDBMS techniques. Here, an l-keyword query is speciï¬...
Lu Qin, Jeffrey Xu Yu, Lijun Chang, Yufei Tao
SAC
2009
ACM
16 years 21 days ago
Extending Problem Frames to deal with stakeholder problems
The Problem Frames approach captures problems as seen by developers, but not by stakeholders. This paper presents a framework that extends the problem diagram of the Problem Frame...
An Agent, Goal-Oriented Approach