European Workshop for Open Systems (EWOS)

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Dec 1987, Brussels (Belgium). Also referred to as Working Group on Open Systems. Ceased activities in 1997, when replaced by Information Society Standardization System (ISSS).


'Mission': Provide an efficient and flexible mechanism to develop guidance material, specifications and services responding to the needs of concerned parties in information and telecommunications technology (ICT), by using financing and expertise resources provided by these parties, complementing formal standardization activities. 'Primary objective': facilitate timely, high quality, cost-effective, inter-operable, portable, implementable, testable, standards-based solutions to meet market needs.

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Works together with Regional Workshops AOW and OIW on the preparation of International Standardized Profiles. In Europe works together with and provides input to European Committee for Electrotechnical Standardization (CENELEC) and European Telecommunications Standards Institute (ETSI), for European pre-standards (ENVs) and standards (ENs). Covers the following domains: file transfer, access and management (FTAM); structured multimedia information (SMMI); encompassing open document architecture (ODA); document filing and retrieval (DFR); computer graphics metafile (CGM); lower layers (LL); message handling systems (MHS); virtual terminal (VT); directory (DIR); manufacturing messaging systems (MMS); conformance testing methodology (CT); database enquiry (DBE); communication aspects of electronic data interchange (EDI); network management (NM); open systems environment (OSE); security (SEC); transaction processing (TP); library applications (LIB); medical informatics (MED). Documents are fed into formal standardization channels managed by CEN, CENELEC and ETSI, sometimes referred to together as European Standardization System; and by the joint technical committee of International Organization for Standardization (ISO) and International Electrotechnical Commission (IEC). EWOS has the status of European pre-standardization organization recognized by EC and EFTA, and is invited to participate in the advisory boards for information technology standardization activities in Europe.


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Relations with Non-Governmental Organizations

Relations with 4 non-governmental organizations.
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Members in 0 countries
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Type I Classification

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Type II Classification

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Subjects *

  • Information
    • Information
  • Transportation, Telecommunications
    • Telecommunications
  • Informatics, Classification
    • Informatics
  • Technology
    • Technology

UN Sustainable Development Goals **

GOAL 9: Industry, Innovation and Infrastructure



Last News Received

* Subject classification is derived from the organization names and aims.
** UN SDGs are linked to the subject classification.

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