CNPq - INRIA Projeto CEMT Instituto de Informática - UFRGS “Features of CEMT Workflow Model” Carlos Zeve

CNPq - INRIA Projeto CEMT Instituto de Informática - UFRGS Title: Conception of Cooperative Multimedia Edition Environment for the Web with Technology of Workflow Coordinators: José Valdeni de Lima Nabil Layaïda International Cooperation ProTeM-CC/INRIA

CNPq - INRIA Projeto CEMT Instituto de Informática - UFRGS Components of the system 1 – Synchronization Multimedia Tools 2 – HTML Editor 3 – HTTP Server 4 – Annotation Server 5 – WebDAV extensions 6 – Workflow Engine 7 – Framework BW (Big Watcher) today future

CNPq - INRIA Projeto CEMT Instituto de Informática - UFRGS

CNPq - INRIA Projeto CEMT Instituto de Informática - UFRGS 1 – Synchronization Multimedia Tools The Synchronized Multimedia Integration Language enables simple authoring of interactive audiovisual presentations. SMIL is typically used for "rich media"/multimedia presentations which integrate streaming audio and video with images, text or any other media type. SMIL [

CNPq - INRIA Projeto CEMT Instituto de Informática - UFRGS 2 – HTML Editor Amaya is a browser/authoring tool that allows you to publish documents on the Web and comes equipped with a "WYSIWYG style" of interface, similar to that of the most popular commercial browsers. With such an interface, users can easily generate HTML and XHTML pages. Amaya [

CNPq - INRIA Projeto CEMT Instituto de Informática - UFRGS 3 – HTTP Server A well configured server HTTP, which includes the methods PUT, POST, GET, would make it possible the group to publish its Web pages. Ex.: Apache [

CNPq - INRIA Projeto CEMT Instituto de Informática - UFRGS 4 – Annotation Server Annotea Server Annotea is a project enhancing the W3C collaboration environment with shared annotations. By annotations we mean comments, notes, explanations, or other types of external remarks that can be attached to any Web document. [

CNPq - INRIA Projeto CEMT Instituto de Informática - UFRGS

CNPq - INRIA Projeto CEMT Instituto de Informática - UFRGS

CNPq - INRIA Projeto CEMT Instituto de Informática - UFRGS 5 – WebDAV extensions WebDAV stands for "Web-based Distributed Authoring and Versioning". It is a set of extensions to the HTTP protocol which allows users to collaboratively edit and manage files on remote web servers. WebDAV [

CNPq - INRIA Projeto CEMT Instituto de Informática - UFRGS 6 – Workflow Engine The automation of a business process, in whole or part, during which documents, information or tasks are passed from one participant* to another for action, according to a set of procedural rules. *participant = resource (human or machine) Workflow [

CNPq - INRIA Projeto CEMT Instituto de Informática - UFRGS 7 -- Framework BW (Big Watcher) BW is one framework to give has supported past events awareness...To supply the context of the individual activities through the understanding of the activities carried through for the others. [gnome.inrialpes.fr:1959] BW

CNPq - INRIA Projeto CEMT Instituto de Informática - UFRGS BYZANCE A Web based HTML cooperative editor The Byzance groupware application allows users connected to the Internet to collaborate for producing shared documents in HTML format We use this tool to analyze all its cooperative edition flows and to extract a model of Workflow based on methodology WIDE of Casati & Ceri [

CNPq - INRIA Projeto CEMT Instituto de Informática - UFRGS Why WIDE? capacity to represent any type of WF access specification the external BD facility to make modules of tasks clearly and full formalism for specification of tasks handling of exceptions [Glaucia 00]

CNPq - INRIA Projeto CEMT Instituto de Informática - UFRGS Problems the definition of actors and roles to be made in informal way temporal aspects and dynamic data Solution use of templates [Glaucia 00]

CNPq - INRIA Projeto CEMT Instituto de Informática - UFRGS k k tasksupertask multitask direct connection beginning/end fork total/ join total join interactive join parcial fork conditional with mutual exclusion

CNPq - INRIA Projeto CEMT Instituto de Informática - UFRGS Supertask Name of task Description Post-condition Agent ItemCharacterization of de task Pre-condition

CNPq - INRIA Projeto CEMT Instituto de Informática - UFRGS Workflow Engine Workflow Authoring workflow for the creation of the documents (course) Workflow of Execution workflow for the execution of the course

CNPq - INRIA Projeto CEMT Instituto de Informática - UFRGS Workflow Authoring cooperative work roles ( author,collaborator, visitor,...) different rights ( owner, write,read,..) datetime (occurs of a specific date and time) periodic (occurs periodically) interval (task duration)

CNPq - INRIA Projeto CEMT Instituto de Informática - UFRGS document(xml,smil) instances workflow executionworkflow authoring workflow engine workflow cooperative work interactivity

CNPq - INRIA Projeto CEMT Instituto de Informática - UFRGS document Cooperative units document paragraph phrase word caracter