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» On the General Signature Trees
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INFOCOM
2005
IEEE
15 years 11 months ago
Achieving minimum-cost multicast: a decentralized approach based on network coding
— We present decentralized algorithms that compute minimum-cost subgraphs for establishing multicast connections in networks that use coding. These algorithms, coupled with exist...
Desmond S. Lun, Niranjan Ratnakar, Ralf Koetter, M...
GROUP
2005
ACM
15 years 11 months ago
Unraveling the ordering in persistent chat: a new message ordering feature
A common problem in chat is that the chat display only reveals the temporal order of the conversation. A better user interface is desired that reveals the logical order of the mes...
Lu Xiao, Jayne S. Litzinger
WOWMOM
2005
ACM
138views Multimedia» more  WOWMOM 2005»
15 years 11 months ago
A Scenario-Based Performance Evaluation of Multicast Routing Protocols for Ad Hoc Networks
Current ad hoc multicast routing protocols have been designed to build and maintain a tree or mesh in the face of a mobile environment, with fast reaction to network changes in or...
Manoj Pandey, Daniel Zappala
WWW
2005
ACM
15 years 11 months ago
X-warehouse: building query pattern-driven data
In this paper, we propose an approach to materialize XML data warehouses based on the frequent query patterns discovered from historical queries issued by users. The schemas of in...
Ji Zhang, Wei Wang, Han Liu, Sheng Zhang
CALCO
2005
Springer
126views Mathematics» more  CALCO 2005»
15 years 11 months ago
Context-Free Languages via Coalgebraic Trace Semantics
In this paper we identify context-free grammars as coalgebras. To obtain the associated context-free languages (consisting of only finite-length strings) we introduce a general a...
Ichiro Hasuo, Bart Jacobs