Download E-Commerce and Web Technologies: 8th International by Jesús Téllez Isaac, José Sierra Camara (auth.), Giuseppe PDF

By Jesús Téllez Isaac, José Sierra Camara (auth.), Giuseppe Psaila, Roland Wagner (eds.)


This e-book constitutes the refereed court cases of the eighth overseas convention on digital trade and internet applied sciences, EC-Web 2007, held in Regensburg, Germany, September 3-7, 2007 at the side of Dexa 2007.

The 22 revised complete papers awarded have been rigorously reviewed and chosen from sixty seven submissions. The papers are equipped in topical sections on recommender platforms, enterprise procedure / layout facets, cellular trade, safety and e-payment, internet providers computing / semantic net, e-negotiation and agent mediated platforms, and concerns in internet advertising.

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Extra resources for E-Commerce and Web Technologies: 8th International Conference, EC-Web 2007, Regensburg, Germany, September 3-7, 2007. Proceedings

Sample text

Extracting fragments of the view. , due to load balancing issues). While peers fetch their fragments of interest, they also keep links to the related fragments stored on their neighbors. A link is represented as an absolute XPath expression within the original document, being such expression capable of uniquely determining the related fragment via prefix-matching. e. fragments related to concepts having a certain relationship with respect to the semantics of a specific application domain. Without any loss of generality, the same peer may belong to multiple interest groups.

Querying Peer-to-Peer Networks Using P-Trees. In: Proc. of ACM WebDB, pp. : Building Peer-to-Peer Systems with Chord, a Distributed Lookup Service. In: Proc. of IEEE HotOS, pp. : Publish-Subscribe Systems. Tutorial at IEEE ICDE (2001) 34 A. Bonifati and A. : Fast and Secure Distributed Read-Only File System. : Locating Data Sources in Large Distributed Systems. In: Proc. of VLDB, pp. : Bloom Filter-based XML Packets Filtering for Millions of Path Queries. In: Proc. of IEEE ICDE, pp. , Querying the Internet with PIER.

The fragment identifier is exposed to the outside under the form of a unique key. In such a way, any other peer that looks for a XℓPPX: A Lightweight Framework 27 particular path expression will search it through the DHT. We have extended the Chord DHT to support this behavior. However, in the original Chord, the hash function used is SHA-1, which is replaced in our model with the fingerprinting technique. Fingerprinting path expressions in a P2P network is similar to fingerprinting URLs [6], but different from an application point of view.

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