We define an operational semantics and a type system for manipulating semistructured data that contains hidden information. The data model is simple labeled trees with a hiding op...
In this paper we study the brokering and matchmaking problem, that is, how a requester’s requirements and preferences can be matched against a set of offerings collected by a bro...
Grigoris Antoniou, Thomas Skylogiannis, Antonis Bi...
The potential benefits of Web services composition heavily rely on semantic interoperability, i.e., the ability to exchange data meaningfully amongst Web services. Context heterog...
Xitong Li, Stuart E. Madnick, Hongwei Zhu 0002, Yu...
The ObjectRank system applies authority-based ranking to keyword search in databases modeled as labeled graphs. Conceptually, authority originates at the nodes (objects) containin...
Abstract. The notion of user preference in database modeling has recently received much attention in advanced applications, such as personalization of e-services, since it captures...