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We discuss the problems of providing semantics for an Agent Communication Language standard and we brie y introduce an approach we have used to describe the semantics of the Agent Communication Language KQML. We argue that our approach adequately addresses or circumvents the aforementioned problems.

Historically, the behavior of Department of Defense (DoD) Command and Control (C2) systems has been embedded in executable code, providing static functionality that is difficult to change. As the complexity and tempo of the world increase, C2 systems must move to a new paradigm that supports the ability to dynamically modify system behavior in complex, changing environments. Separation of rules...

This paper describes an integrated security system for electronic-government services. Many governments are transforming manual government services to electronic government services. This transformation is in most cases done without involving users of the services. This makes users of these services have little trust in the e-government. Security is in most cases not addressed from the early st...

The Standard Generalized Markup Language (SGML), an ISO standard, has become the accepted method of deening markup conventions for text les. SGML is a metalanguage for deening grammars for textual markup in much the same way that Backus{Naur Form is a metalanguage for deening programming-language grammars. Indeed, HTML, the method of marking up a hypertext documents for the World Wide Web, is a...

We have argued elsewhere (Church and Mercer, 1993) that text is more available than ever before, and that the availability of massive quantities of data has been responsible for much of the recent interest in text analysis. Ideally, we would hope that this data would be distributed in a convenient format such as SGML (Goldfarb, 1990), but in practice, we usually have to work with the data in wh...

The object-oriented Unified Modeling Language (UML) which has become OMG standard offers a great variety of concepts for the definition of the structure and the expected behavior of a software system. It has the potential to replace many previously used software architecture description languages. This is especially true for the subset of so-called module interconnection languages. Compared wit...

In this paper, we propose a new identifier scheme for Language Resources to provide Language Resources with unique names using a standardised nomenclature. This will also ensure Language Resources to be identified, and consequently to be recognised as proper references in activities within Human Language Technologies as well as in documents and scientific papers.