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WWW
2007
ACM
14 years 8 months ago
Collaboratively Building Structured Knowledge with DBin: From del.icio.us Tags to an "RDFS Folksonomy"
DBin is a Semantic Web application that enables groups of users with a common interest to cooperatively create semantically structured knowledge bases. These user groups, which we...
Giovanni Tummarello, Christian Morbidoni
WWW
2004
ACM
14 years 8 months ago
Distributed ranking over peer-to-peer networks
Query flooding is a problem existing in Peer-to-Peer networks like Gnutella. Firework Query Model solves this problem by Peer Clustering and routes the query message more intellig...
Dexter Chi Wai Siu, Tak Pang Lau
ACISICIS
2008
IEEE
14 years 2 months ago
SIMPA: A SIP-Based Mobile Payment Architecture
In recent years, many Mobile Payment (MP) schemes have been proposed and used in practise. However, a prerequisite for extended acceptance and adoption of MP technologies is to de...
Ge Zhang, Feng Cheng 0002, Christoph Meinel
ICPP
2007
IEEE
14 years 2 months ago
Difficulty-aware Hybrid Search in Peer-to-Peer Networks
—By combining an unstructured protocol with a DHT-based global index, hybrid peer-to-peer (P2P) improves search efficiency in terms of query recall and response time. The major c...
Hanhua Chen, Hai Jin, Yunhao Liu, Lionel M. Ni
CRYPTO
2007
Springer
105views Cryptology» more  CRYPTO 2007»
14 years 1 months ago
A Generalization of DDH with Applications to Protocol Analysis and Computational Soundness
In this paper we identify the (P, Q)-DDH assumption, as an extreme, powerful generalization of the Decisional Diffie-Hellman (DDH) assumption: virtually all previously proposed gen...
Emmanuel Bresson, Yassine Lakhnech, Laurent Mazar&...