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EDBT
2006
ACM
106views Database» more  EDBT 2006»
14 years 9 months ago
DPTree: A Distributed Pattern Tree Index for Partial-Match Queries in Peer-to-Peer Networks
Abstract. Partial-match queries return data items that contain a subset of the query keywords and order the results based on the statistical properties of the matched keywords. The...
Dyce Jing Zhao, Dik Lun Lee, Qiong Luo
ICDE
2010
IEEE
212views Database» more  ICDE 2010»
14 years 8 months ago
ViewJoin: Efficient View-based Evaluation of Tree Pattern Queries
A fundamental problem in XML query processing is tree pattern query (TPQ) matching which computes all data instances in an XML database that match an input TPQ. There is a lot of r...
Ding Chen, Chee-Yong Chan
INFOCOM
2009
IEEE
14 years 3 months ago
Hardness and Approximation of the Survivable Multi-Level Fat Tree Problem
—With the explosive deployment of “triple play” (voice, video and data services) over the same access network, guaranteeing a certain-level of survivability for the access ne...
Hung Q. Ngo, Thanh-Nhan Nguyen, Dahai Xu
IROS
2009
IEEE
120views Robotics» more  IROS 2009»
14 years 3 months ago
Concurrent tree traversals for improved mission performance under limited communication range
— In previous work we presented a multi-robot strategy for routing missions in large scenarios where network connectivity must be explicitly preserved. This strategy is founded o...
Alejandro R. Mosteo, Luis Montano
IPPS
2007
IEEE
14 years 3 months ago
Online Aggregation over Trees
Consider a distributed network with nodes arranged in a tree, and each node having a local value. We consider the problem of aggregating values (e.g., summing values) from all nod...
C. Greg Plaxton, Mitul Tiwari, Praveen Yalagandula