Presentation of the DURAARK project at Ex Libris conference, Berlin, Germany.

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Information about Presentation of the DURAARK project at Ex Libris conference, Berlin,...

Published on March 11, 2014

Author: lenalindback

Source: slideshare.net

1 / 33 30 / 04 / 13 Dr Helmi Ben Hmida (Leibniz University Hanover, DE) Dr Helmi Ben Hmida (Leibniz University Hanover, DE) Ex Libris conference April 29-30th, 2013 Berlin DURAARK Long-term Preservation of 3D Architectural Data

2 / 33 30 / 04 / 13 Dr Helmi Ben Hmida (Leibniz University Hanover, DE) Plan 1. TIB 2. DuraArk Project 3. Digital preservation and 3D architectural data Goal Issue Use Cases Perspectives Plan

3 / 33 30 / 04 / 13 Dr Helmi Ben Hmida (Leibniz University Hanover, DE) TECHNISCHE INFORMATIONSBIBLIOTHEK (TIB)

4 / 33 30 / 04 / 13 Dr Helmi Ben Hmida (Leibniz University Hanover, DE) The TIB • German National Library for Architecture, Chemistry, Computer Science, Engineering, Mathematics, Physics, and Technology Collection scope of a national library • World‘s Largest Specialist Library for Science and Technology • Customers in more than 60 countries • Founded 1959 – on the basis of an existing university library (founded 1831) TIB

5 / 33 30 / 04 / 13 Dr Helmi Ben Hmida (Leibniz University Hanover, DE) Services • GetInfo – Portal for Science and Technology • Full Text Orders – print and digital • National and Alliance Licenses • Pay-per-View • Customized Solutions • DOI-Service • DOIs assignment in cooperation with data centers for research data, grey literature, reports etc. • Competence Center for non-textual materials TIB

6 / 33 30 / 04 / 13 Dr Helmi Ben Hmida (Leibniz University Hanover, DE) Services • Collect, curate and preserve materials related to the history and practice of architecture and design • Expand the scientific information to be archived to audio- visual media and 3D models. • Build up expertise in the area of non-textual materials in conjunction with establishing a Competence Center for non- textual materials. • Systematic acquisition of scientific objects, object specific search and presentation, long-term archiving, development of standards… TIB

7 / 33 30 / 04 / 13 Dr Helmi Ben Hmida (Leibniz University Hanover, DE) Services TIB • Mostly analog records like building design drawings, Blueprints, specifications, etc., were archived • Current challenge : Long-term Preservation systems for novel digital data types often aggregating different data entities into one object. • Mainly for 3D architectural data

8 / 33 30 / 04 / 13 Dr Helmi Ben Hmida (Leibniz University Hanover, DE) PROBADO TIB • Content based retrieval methods for an architectural archiving system were developed. • Funded by the German Research Foundation (DFG) that took place from 2006 to 2011. • Amongst others, its goal was to integrate 3D architectural models into the librarian process chain. A step toward the Long-term Preservation of 3D architectural data

9 / 33 30 / 04 / 13 Dr Helmi Ben Hmida (Leibniz University Hanover, DE) DURAARK Durable Architectural Knowledge EU Project (Grant no. 600908).

10 / 33 30 / 04 / 13 Dr Helmi Ben Hmida (Leibniz University Hanover, DE) Goals & challenges (1/2) LinkedUp in a nutshell Goal Development of methods and tools for sustainable long-term preservation of architectural 3D models Challenges Building evolution: documentation to prevent information loss and enable repair Long-term readability /renderability of 3D architectural models: addressing digital decay due to deprecated file formats Inconsistent naming conventions: improving architectural metadata schemes & vocabularies towards long- term sustainability DuraArk

11 / 33 30 / 04 / 13 Dr Helmi Ben Hmida (Leibniz University Hanover, DE) Goals & challenges (2/2) LinkedUp in a nutshellChallenges Interoperability and consistency: bridging between diverse formats and abstraction levels (point clouds & legacy 3D models => enriched Building Information Models, BIM…) Enrichment of point clouds: using semantics to efficiently store and discover point cloud and 3D models for targeted retrieval. Diversity of stakeholders: taking into account requirements of libraries/archives, building constructors/architects, building operators, etc. on long-term archiving. DuraArk

12 / 33 30 / 04 / 13 Dr Helmi Ben Hmida (Leibniz University Hanover, DE) Work Packages DuraArk

13 / 33 30 / 04 / 13 Dr Helmi Ben Hmida (Leibniz University Hanover, DE)Stefan Dietze Consortium 25/05/12 13 Long-term preservation & archiving Data & system integration & management Architectural & 3D models Scientific excellence in three strategic areas: DuraArk

14 / 33 30 / 04 / 13 Dr Helmi Ben Hmida (Leibniz University Hanover, DE) UBO: Universität Bonn - Technical Director - WP4/WP5: change management, shape recognition Fraunhofer Austria - WP2 leader, system specification & integration TUE, Department of the Built Environment, Eindhoven University of Technology - WP3 leader, semantics & metadata CITA, Center for Information Technology and Architecture Copenhagen - WP7 leader, evaluation, test Luleå University of Technology - WP8 leader, dissemination/exploitation Catenda, SME - User perspective, market requirements, evaluation LUH: German National Library of Science and Technology (TIB) & L3S Research Center Hannover -Coordinator -WP6 leader, long-term preservation DuraArk

15 / 33 30 / 04 / 13 Dr Helmi Ben Hmida (Leibniz University Hanover, DE) Tangible outcomes LinkedUp in a nutshellTangible outcomes Workflows and tools for OAIS compliant ingest: Management, preservation and delivery of the various types of architectural data Semantic enrichment: Vocabularies for description of built structures and enrichment techniques based on a unified and sustainable naming scheme Tools for structuring of point clouds and legacy 3D data: Enable targeted retrieval by detecting high-level semantic structures in the data DuraArk

16 / 33 30 / 04 / 13 Dr Helmi Ben Hmida (Leibniz University Hanover, DE) Tangible outcomes LinkedUp in a nutshellTangible outcomes Tools for detection of changes in the building: Avoid information loss by detecting differences in original building plans and point clouds documenting the as-is building state to enable guided repair OAIS compliant storage: Face problem of digital decay by using Industry Foundation Classes (IFC) as an open and already well-established file format suited for long-term preservation. Use point cloud compression techniques that are self-documenting and robust towards bit rot. Tailored Workflows: Thoroughly investigate requirements of institutional stakeholders (libraries/archives) and SMEs on long-term archiving. Develop according workflows. Aligned 3D model and laser scan DuraArk

17 / 33 30 / 04 / 13 Dr Helmi Ben Hmida (Leibniz University Hanover, DE) Architecture DuraArk

18 / 33 30 / 04 / 13 Dr Helmi Ben Hmida (Leibniz University Hanover, DE) Digital preservation and 3D architectural data

19 / 33 30 / 04 / 13 Dr Helmi Ben Hmida (Leibniz University Hanover, DE) • Creating technology solutions and innovative methods for keeping 3D architectural data available and useable over time • Implement approach based on the OAIS model to support the 3D architectural data • OAIS • Archive consisting of organization, people and systems • The primary goal of an OAIS is to preserve information for a designated community over an indefinite period of time. • OAIS must store significant information about the object and its contents. Goals Goals

20 / 33 30 / 04 / 13 Dr Helmi Ben Hmida (Leibniz University Hanover, DE) • Prepare the contents of a SIP for storage and management comprises • The 3D architectural data • Its accompanying metadata Issue The Pre-Ingest Ingest Process Administration Ingest Archival Storage Access Data Management Descriptive info. P R O D U C E R C O N S U M E R MANAGEMENT queries result sets Descriptive info. Preservation Planning orders SIP SIP SIP DIP DIP AIP AIP Pre-Ingest

21 / 33 30 / 04 / 13 Dr Helmi Ben Hmida (Leibniz University Hanover, DE) The 3D architectural data • Be based on the Industry Foundation Classes (IFC) • Study and suggest different criterion to evaluate 3D data structure and their related risk for preservation purpose. • Study several kinds of 3D data structure add to the IFC and evaluate it based on the selected criterions (CAD, IFD, WRL…) Issue

22 / 33 30 / 04 / 13 Dr Helmi Ben Hmida (Leibniz University Hanover, DE) Duration of support Open specification Able to access on future computer The 3D architectural data Technical criterion Exploitation criterion Preservation risk criterion Open File Format Compatible with software and plugins Independent from software Standardisation Display speed End user able to access, visualize, manipulate the content Future user should be able to interact with the data (3D) Simplicity: understand, manipulation Issue

23 / 33 30 / 04 / 13 Dr Helmi Ben Hmida (Leibniz University Hanover, DE) • Study which kind of information should we preserve for the 3D architectural data • Study and evaluation of existing metadata schemas towards their feasibility for our purpose • Try to adapt/update existing standards to support new 3D information The 3D architectural Metadata Issue

24 / 33 30 / 04 / 13 Dr Helmi Ben Hmida (Leibniz University Hanover, DE) 3D Administrative3D Administrative knowledge 3D Technical Knowledge The 3D architectural Metadata3D Preservation Knowledge 3D File Knowledge File type, Mime type, Extension, size, creation data, modification data Signature 3D Manipulation Knowledge 3D Description Knowledge Issue

25 / 33 30 / 04 / 13 Dr Helmi Ben Hmida (Leibniz University Hanover, DE) 3D Administrative3D Administrative knowledge 3D Technical Knowledge The 3D architectural Metadata3D Preservation Knowledge 3D File Knowledge 3D Manipulation Knowledge How to manipulate, access and use the objects… 3D Description Knowledge Issue

26 / 33 30 / 04 / 13 Dr Helmi Ben Hmida (Leibniz University Hanover, DE) 3D Administrative3D Administrative knowledge 3D Technical Knowledge The 3D architectural Metadata3D Preservation Knowledge 3D File Knowledge 3D Manipulation Knowledge 3D Description Knowledge Detailed Knowledge Generic knowledge Issue

27 / 33 30 / 04 / 13 Dr Helmi Ben Hmida (Leibniz University Hanover, DE) 3D Administrative3D Administrative knowledge 3D Technical Knowledge The 3D architectural Metadata3D Preservation Knowledge 3D File Knowledge 3D Manipulation Knowledge 3D Description Knowledge Detailed Knowledge 3D objects Geometries, 3D object Characteristics (features), 3D objects Relations, material, dimension, description, location, related Point clouds, Semantic… Generic knowledge Issue

28 / 33 30 / 04 / 13 Dr Helmi Ben Hmida (Leibniz University Hanover, DE) 3D Administrative3D Administrative knowledge 3D Technical Knowledge The 3D architectural Metadata3D Preservation Knowledge 3D File Knowledge 3D Manipulation Knowledge 3D Description Knowledge Detailed Knowledge Generic knowledgeScene_Id, name (title), size, Description… Issue

29 / 33 30 / 04 / 13 Dr Helmi Ben Hmida (Leibniz University Hanover, DE) 3D Administrative3D Administrative knowledge 3D Technical Knowledge The 3D architectural Metadata3D Preservation Knowledge Software Knowledge Title, right, type, Version, features, plugins, creator… Acquisition knowledge used device, software, Acquisition environment 3D File Knowledge 3D Manipulation Knowledge 3D Description Knowledge Issue

30 / 33 30 / 04 / 13 Dr Helmi Ben Hmida (Leibniz University Hanover, DE) 3D Administrative3D Administrative knowledge 3D Technical Knowledge The 3D architectural Metadata Creator, Access, Modification, Maintenance, Acquisition… 3D Preservation Knowledge 3D File Knowledge 3D Manipulation Knowledge 3D Description Knowledge Issue

31 / 33 30 / 04 / 13 Dr Helmi Ben Hmida (Leibniz University Hanover, DE) • SME Use Case • Fulfilling the needs of SME • Design Build and Retrofitting • Institutional Preservation Use Case • Fulfilling the archival task of a research library • Provide better services for their academic and industrial customers. Use Cases Use Cases

32 / 33 30 / 04 / 13 Dr Helmi Ben Hmida (Leibniz University Hanover, DE) • Integrate workflows for 3D data into TIB’s productive digital preservation system based on the software Rosetta • Support the ingest of architectural 3D data from the vast domains specific spectrum of semantic detail levels • Low-level point cloud scans over legacy 3D CAD models • highly enriched Building Information Modeling (BIM). Perspectives Perspectives

33 / 33 30 / 04 / 13 Dr Helmi Ben Hmida (Leibniz University Hanover, DE) Dr. Helmi Ben Hmida (Leibniz University Hanover, DE)

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