Contracts are behavioural descriptions of Web services. We devise a theory of contracts that formalises the compatibility of a client to a service, and the safe replacement of a s...
: Die Qualität Service-orientierter Softwaresysteme hängt wesentlich von der Einbindung der richtigen Dienste ab. Zwei grundsätzliche Aspekte kommen hierbei zum Tragen: (1) Pass...
Abstract. The Web and Grid services frameworks provide a promising infrastructure for cross-organizational use of online services. The use of services in large-scale and cross-orga...
Henner Gimpel, Heiko Ludwig, Asit Dan, Robert Kear...
Virtual Enterprises are a major trend within the B2B scenario. Technological support towards enabling this cooperation model includes the multi-agent systems paradigm. In this pape...
Metasearch engine, Comparison-shopping and Deep Web crawling applications need to extract search result records enwrapped in result pages returned from search engines in response ...