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PODS
2000
ACM
102views Database» more  PODS 2000»
15 years 7 months ago
Linear Approximation of Planar Spatial Databases Using Transitive-Closure Logic
We consider spatial databases in the plane that can be defined by polynomial constraint formulas. Motivated by applications in geographic information systems, we investigate line...
Floris Geerts, Bart Kuijpers
CONEXT
2008
ACM
15 years 5 months ago
MINT: a Market for INternet Transit
Today's Internet's routing paths are inefficient with respect to both connectivity and the market for interconnection. The former manifests itself via needlessly long pa...
Vytautas Valancius, Nick Feamster, Ramesh Johari, ...
SEC
2008
15 years 4 months ago
Detecting More SIP Attacks on VoIP Services by Combining Rule Matching and State Transition Models
The Session Initiation Protocol (SIP) has been used widely for Voice over IP (VoIP) service because of its potential advantages, economical efficiency and call setup simplicity. Ho...
Dongwon Seo, Heejo Lee, Ejovi Nuwere
GLOBECOM
2010
IEEE
15 years 20 days ago
Phase Transition Diagram for Underlay Heterogeneous Cognitive Radio Networks
Abstract--Characterizing the topology and therefore fundamental limits is a must to establish effective end-to-end cognitive radio networking (CRN). However, there lacks complete u...
Weng-Chon Ao, Shin-Ming Cheng, Kwang-Cheng Chen
AAAI
2011
14 years 3 months ago
Exploiting Phase Transition in Latent Networks for Clustering
In this paper, we model the pair-wise similarities of a set of documents as a weighted network with a single cutoff parameter. Such a network can be thought of an ensemble of unwe...
Vahed Qazvinian, Dragomir R. Radev