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SEVENPRO – STREP KEG seminar, Prague, 8/November/2007 © SEVENPRO Consortium SEVENPRO – Semantic Virtual Engineering Environment for Product Design PROJECT PRESENTATION
SEVENPRO – STREP KEG seminar, Prague, 8/November/2007 © SEVENPRO Consortium Industrial context Ever more complex and customised products Shorter product development cycles Strong competition in a global market Need for: -More efficient product engineering in time and cost -More added value and personalisation in products -Integration among engineering tools. -Integration of knowledge not only inside engineering teams but within the whole organisations -Better management of knowledge -> reuse
SEVENPRO – STREP KEG seminar, Prague, 8/November/2007 © SEVENPRO Consortium Challenges Heterogeneous and unconnected islands of information Huge amount of information Distributed among different human groups and... … different computing infrastructures and supports Sometimes, knowledge has no “computer form”
SEVENPRO – STREP KEG seminar, Prague, 8/November/2007 © SEVENPRO Consortium From information to knowledge Getting from information to knowledge is complicated Knowledge is hardly re-used because access is difficult (many times based on personal relationships) Work and efforts often repeated in different islands Partial and not up-to-date solutions
SEVENPRO – STREP KEG seminar, Prague, 8/November/2007 © SEVENPRO Consortium Traditional solutions Each puzzle part is in a different COMPUTING language involving database tables, arrays, XML... Gap between field knowledge and the programmers Programmer ends up being a field expert or vice-versa Additional problem: knowledge and needs do evolve Applications have a hard time keeping the pace
SEVENPRO – STREP KEG seminar, Prague, 8/November/2007 © SEVENPRO Consortium SEVENPRO objectives The objective of SEVENPRO is to develop technologies and tools supporting deep mining of product engineering knowledge from multimedia repositories and semantically enhanced 3D interaction with that knowledge in integrated engineering environments. CAD designs, documental repositories and ERP/corporate DataBases will be the main data&knowledge sources supported. The project aims to develop technology and software components to be integrated in product engineering environments.
SEVENPRO – STREP KEG seminar, Prague, 8/November/2007 © SEVENPRO Consortium Key concept: product item Important knowledge “hidden” in proprietary format files Product definition specific of each company: ontologies
SEVENPRO – STREP KEG seminar, Prague, 8/November/2007 © SEVENPRO Consortium Approach Product, projects, documents, etc, are defined by user-written ontologies Engineering data repositories are annotated: knowledge is extracted from inside data repositories (CAD, ERP, docs) This structured information can be accessed by users This semantically represented knowledge data can be data-mined to discover non explicit knowledge.
SEVENPRO – STREP KEG seminar, Prague, 8/November/2007 © SEVENPRO Consortium Provide access Unified access for all to relevant (sometimes hidden) information However, not a substitute for legacy tools
SEVENPRO – STREP KEG seminar, Prague, 8/November/2007 © SEVENPRO Consortium SEVENPRO partners Semantic Systems S.A. (Spain) INRIA (France) Fraunhofer-IFF (Germany) Czech Technical University in Prague (Czech Republic) Living Solids GmbH (Germany) Italdesign Giugiaro S.p.a. (Italy) Fundiciones del Estanda S.A. (Spain) 7 partners collaborating in a 34-months project STReP FP , funded by EC
SEVENPRO – STREP KEG seminar, Prague, 8/November/2007 © SEVENPRO Consortium SEVENPRO modules Semantic Server Agent Engineering Memory Module Relational Data Mining Module Semantic Engineering Module RDM Pattern Viewer Semantic VR Module VR Reasoning Module Semantic Repository CAD metadata Document metadata ERP metadata Document Annotator CAD Annotator ERP Annotator
SEVENPRO – STREP KEG seminar, Prague, 8/November/2007 © SEVENPRO Consortium Semantic server agent Gateway to the Corporate Knowledge Repository that holds the semantically represented knowledge Dispatches query results to the client modules Performs changes requested by the client modules ACID compliant (Atomicity, Consistency, Isolation, Durability)
SEVENPRO – STREP KEG seminar, Prague, 8/November/2007 © SEVENPRO Consortium Annotators Semi-automatic extraction of relevant knowledge from corporate repositories Document annotator: extracts statements from textual documents, guided by the ontology CAD annotator: extracts design sequence and assembly information from CAD files ERP annotator: accesses legacy tabular data
SEVENPRO – STREP KEG seminar, Prague, 8/November/2007 © SEVENPRO Consortium Semantic engineering tool Main entry point for end-users, allows to navigate through product knowledge, with an ontology-driven user interface Navigation by product structure, projects, documents, etc Maintenance of all product- related information and documents, with version management for items and documents Access to the annotations Creation of concepts and links between concepts
SEVENPRO – STREP KEG seminar, Prague, 8/November/2007 © SEVENPRO Consortium Semantically enhanced VR Another way to intuitively search and retrieve all item-related information present in the knowledge base VR is a privileged medium to access the knowledge base Information displayed immersed in the 3D scene Navigation through product structure, associated documents, item versions and revision
SEVENPRO – STREP KEG seminar, Prague, 8/November/2007 © SEVENPRO Consortium Semantically enhanced VR Extension: ease authoring tasks by using information available in the knowledge base Automatically access item related information and documents Infer and propose animation based on part type, relations between parts, assembly information (position, orientation, degrees of freedom) Embedded inference engine (CORESE)
SEVENPRO – STREP KEG seminar, Prague, 8/November/2007 © SEVENPRO Consortium Relational data mining The knowledge base describes large amount of items, along with their associated information: documents, design sequences, etc Structured engineering data about the company products RDM algorithms are aimed to find non- trivial relations between these data, making implicit knowledge explicit For now, focused on design data: sequences of operations in part design Discovery of: frequent design patterns classification and/or association rules design clusters.
SEVENPRO – STREP KEG seminar, Prague, 8/November/2007 © SEVENPRO Consortium Key ideas Knowledge based management Knowledge evolved by users, no programmers needed and the applications are automatically configured Relevant knowledge and information is accessible for all Automatic extraction of info and knowledge Integration of islands of info - systems Reuse of knowledge -> Productivity
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