Manfred Hauswirth

Cette personne n’est plus à l’EPFL

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Publications associées (20)

Similarity Queries on Structured Data in Structured Overlays

Manfred Hauswirth, Roman Schmidt

Structured P2P systems based on distributed hash tables are a popular choice for building large-scaled data management systems. Generally, they only support exact match queries, but data heterogeneities often demand for more complex query types, particular ...

2006

Towards P2P-based Semantic Web Service Discovery with QoS Support

Karl Aberer, Manfred Hauswirth

The growing number of web services advocates distributed discovery infrastructures which are semantics-enabled and support quality of service (QoS). In this paper, we introduce a novel approach for semantic discovery of web services in P2P-based registries ...

2006

The essence of P2P: A reference architecture for overlay networks

Karl Aberer, Manfred Hauswirth, Sarunas Girdzijauskas

The success of the P2P idea has created a huge diversity of approaches, among which overlay networks, for example, Gnutella, Kazaa, Chord, Pastry, Tapestry, P-Grid, or DKS, have received specific attention from both developers and researchers. A wide varie ...

2005

A decentralized public key infrastructure for customer-to-customer e-commerce

Karl Aberer, Manfred Hauswirth, Anwitaman Datta

Inderscience Publishers2005

Efficient processing of XPath queries with structured overlay networks

Karl Aberer, Manfred Hauswirth, Gleb Skobeltsyn

Non-trivial search predicates beyond mere equality are at the current focus of P2P research. Structured queries, as an important type of non-trivial search, have been studied extensively mainly for unstructured P2P systems so far. As unstructured P2P syste ...

Springer Verlag2005

QoS-based Service Selection and Ranking with Trust and Reputation Management

Karl Aberer, Manfred Hauswirth

QoS-based service selection mechanisms will play an essential role in service-oriented architectures, as e-Business applications want to use services that most accurately meet their requirements. Standard approaches in this field typically are based on the ...

2005

Efficient, self-contained handling of identity in Peer-to-Peer systems

Karl Aberer, Manfred Hauswirth, Anwitaman Datta

Identification is an essential building block for many services in distributed information systems. The quality and purpose of identification may differ, but the basic underlying problem is always to bind a set of attributes to an identifier in a unique an ...

2004

Advanced Peer-to-Peer Networking: The P-Grid System and its Applications

Karl Aberer, Manfred Hauswirth, Philippe Cudré-Mauroux, Anwitaman Datta, Jie Wu, Roman Schmidt, Zoran Despotovic

The limitations of client/server systems become evident in an Internet-scale distributed environment. Peer-topeer (P2P) systems offer an interesting alternative to traditional client/server systems: Every node acts both as a client and a server and “ ...

2003

Start making sense: The Chatty Web approach for global semantic agreements

Karl Aberer, Manfred Hauswirth, Philippe Cudré-Mauroux

2003

Improving Data Access in P2P Systems

Karl Aberer, Manfred Hauswirth, Roman Schmidt

The P-Grid approach enables distributed search and replication. Gridella, a P2P system based on P-Grid, improves on Gnutella’s search performance while reducing bandwidth requirements. Fu ...

2002

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