Institut für Informatik Automatische Sprachverarbeitung Musica migrans Topic Maps portal about the migration paths of Eastern European musicians in the.

Institut für Informatik Automatische Sprachverarbeitung Musica migrans Topic Maps portal about the migration paths of Eastern European musicians in the 19th century TMUC 2008 Oslo, April 2008 Lutz Maicher, University of Leipzig maicher@informatik.uni-leipzig.de

Institut für Informatik www.Musicamigrans.de Automatische Sprachverarbeitung 2TMUC 2008, Oslo, Lutz Maicher (maicher@informatik.uni-leipzig.de) How it all began … During a concert break we discussed with Prof. H. Loos, who is one of the leading German historians about the Eastern European music history that he dreams of a system which allows him to collect and analyse biographical data about little-known Eastern European musicians in the 19 th century. He was interested in making usable all the relationships in the data! This sounded like a case for Topic Maps, so we asked Mr. Loos to sketch his domain…

Institut für Informatik www.Musicamigrans.de Automatische Sprachverarbeitung 3TMUC 2008, Oslo, Lutz Maicher (maicher@informatik.uni-leipzig.de) … and he started to sketch the domain! Person has names with a lot of different spellings primary nationality of a person Nationality secondary nationality of a person Date birthday of a person day of death of a person Place birthplace of a person place of death of a person Confession confessions of a person Profession main profession of a person secondary profession of a person Reference archive encyclopaedia further literature has educational development start and end of educational phase place of educational phase goal of educational phase has professional development start and end of a job place of a job profession in a job has concerts date of a concert place of a concert

Institut für Informatik www.Musicamigrans.de Automatische Sprachverarbeitung 4TMUC 2008, Oslo, Lutz Maicher (maicher@informatik.uni-leipzig.de) Are Topic Maps well suited for such a project? Roy Lachica published the "Checklist for deciding implementing Topic Maps" in his blog (http://fuzzzyblog.blogspot.com/2008/01/checklist-for-deciding-implementing.html)Checklist for deciding implementing Topic Mapshttp://fuzzzyblog.blogspot.com/2008/01/checklist-for-deciding-implementing.html We will follow this checklist to get our points …

Institut für Informatik www.Musicamigrans.de Automatische Sprachverarbeitung 5TMUC 2008, Oslo, Lutz Maicher (maicher@informatik.uni-leipzig.de) Do we need a flexible data model? Do we have information consisting of diverse concepts and need to make distinctions between their relations and the roles the associations play among each other? Are we not sure if this conceptualisation will change in the future? 3 points total: 3/3

Institut für Informatik www.Musicamigrans.de Automatische Sprachverarbeitung 6TMUC 2008, Oslo, Lutz Maicher (maicher@informatik.uni-leipzig.de) Do we need a high degree of semantic interoperability? Do we need a strong and accurate identification of subjects? 2 points total: 5/5

Institut für Informatik www.Musicamigrans.de Automatische Sprachverarbeitung 7TMUC 2008, Oslo, Lutz Maicher (maicher@informatik.uni-leipzig.de) Do we need to merge semantic information from diverse sources? Do we want to share our information with other systems? 2 points total: 7/7

Institut für Informatik www.Musicamigrans.de Automatische Sprachverarbeitung 8TMUC 2008, Oslo, Lutz Maicher (maicher@informatik.uni-leipzig.de) Do we develop a knowledge centric application? Is there a need for a paradigm that can collate everything known about any given set of subjects? 1 point total: 8/8

Institut für Informatik www.Musicamigrans.de Automatische Sprachverarbeitung 9TMUC 2008, Oslo, Lutz Maicher (maicher@informatik.uni-leipzig.de) Do we access information using different navigation paths? Do we need a technology that is tailored for displaying multiple views in networked information structures? Do we need faceted navigation or search? 1 point total: 9/9

Institut für Informatik www.Musicamigrans.de Automatische Sprachverarbeitung 10TMUC 2008, Oslo, Lutz Maicher (maicher@informatik.uni-leipzig.de) Do we need a strong separation between metadata and resources? Do we have authors that work with metadata and others that add or edit resources? 0 point total: 10/11

Institut für Informatik www.Musicamigrans.de Automatische Sprachverarbeitung 11TMUC 2008, Oslo, Lutz Maicher (maicher@informatik.uni-leipzig.de) Do we have the goal to be the first to adopt new technologies? 1 point total: 11/12 Yes.

Institut für Informatik www.Musicamigrans.de Automatische Sprachverarbeitung 12TMUC 2008, Oslo, Lutz Maicher (maicher@informatik.uni-leipzig.de) Conclusion our result: 11/12 "If you got a sum of 3 or more points you might have a good reason for embarking on a Topic Map development project." it seems that we might have a good reason to use Topic Maps (-;

Institut für Informatik www.Musicamigrans.de Automatische Sprachverarbeitung 13TMUC 2008, Oslo, Lutz Maicher (maicher@informatik.uni-leipzig.de) The perfect match … Prof. H. Loos provides a very interesting use case for us we provide an interesting technology for Prof. H. Loos together we convinced the German federal gonvernment to spend funding for setting-up Musica migrans (Beauftragter der Bundesregierung für Angelegenheiten der Kultur und der Medien) –from October 2007 until June 2008 –funding for implementing the portal –funding to pay 25 historians from Eastern Europe to collect all information of the life courses of 50 musicians each = 1250 biographies Now we could start to implement the portal …

Institut für Informatik www.Musicamigrans.de Automatische Sprachverarbeitung 14TMUC 2008, Oslo, Lutz Maicher (maicher@informatik.uni-leipzig.de) Our approach for implementing Topic Maps portals … source: http://www.jjg.net/elements/ Jesse J. Garrett: The Elements of User Experience http://www.jjg.net/elements/pdf/elements_simpleplanes.pdf portal as software interface portal as hypertext system

Institut für Informatik www.Musicamigrans.de Automatische Sprachverarbeitung 15TMUC 2008, Oslo, Lutz Maicher (maicher@informatik.uni-leipzig.de)

Institut für Informatik www.Musicamigrans.de Automatische Sprachverarbeitung 57TMUC 2008, Oslo, Lutz Maicher (maicher@informatik.uni-leipzig.de) Technical Issues Prolog: –it's hard to win funding from German government for salaries –it's very hard to get funding from German government for licence fees (and if you have to pay a yearly maintainance fee to the software vendor, the sustainability plan of your funding proposal will completely collapse) Conclusion –we needed an open source solution for building a Topic Maps web application

Institut für Informatik www.Musicamigrans.de Automatische Sprachverarbeitung 58TMUC 2008, Oslo, Lutz Maicher (maicher@informatik.uni-leipzig.de) RTM – the first best solution Ruby based Topic Maps Engine currently developed in Leipzig (see Benjamin Bock's tutorial on Wednesday) –lot of nice features for fast development of Topic Maps portals –built in model driven approach http://rtm.rubyforge.org/ but not available for productive purposes when we started in October 2007

Institut für Informatik www.Musicamigrans.de Automatische Sprachverarbeitung 59TMUC 2008, Oslo, Lutz Maicher (maicher@informatik.uni-leipzig.de) QuaaxTM – we used the second best solution PHP based Topic Maps Engine which uses open source database server for persistence http://quaaxtm.sourceforge.net/ used for Musica migrans, but needed some customisation for productive purposes –hand-made model driven approach about scalability: we don't know, but have a look at Musica migrans in summer 2008 when we will have more than thousend musicians in the system

Institut für Informatik www.Musicamigrans.de Automatische Sprachverarbeitung 60TMUC 2008, Oslo, Lutz Maicher (maicher@informatik.uni-leipzig.de) Status of Musica migrans Productive version was released mid March 2008 –development time: appr. 500 working hours filling in the data into the system starts slowly … we have money for a further half year and we are full of ideas …

Institut für Informatik www.Musicamigrans.de Automatische Sprachverarbeitung 61TMUC 2008, Oslo, Lutz Maicher (maicher@informatik.uni-leipzig.de) What's next in Musica migrans? Google Maps + Musica migrans –visualisation of the migration paths Statistics for analysing the data in the Topic Map –i.e. detection of persons with similar relationships XTM 2.0 Backup (not part of QuaaxTM) Full-text search in the Topic Map (not part of QuaaxTM) Content negotation: get all information about a person as –HTML – the portal we have –XTM – for interoperability with other systems –PDF – as dossier for print and email Logging (and undo) of change operations Merging of Topics (via the user interface) Optimization of layout and handling of the user interface –filter and sorting – faceted navigation, but we don't have a query language in the engine

Institut für Informatik www.Musicamigrans.de Automatische Sprachverarbeitung 62TMUC 2008, Oslo, Lutz Maicher (maicher@informatik.uni-leipzig.de) What's next after Musica migrans? Musica migrans II, we hope … During a coffee break in a Musica migrans meeting we discussed with Prof. H. Loos, who is one of the leading German historians about the Eastern European music history, as you know, that he dreams of a system which allows him to collect and analyse data about the changeful history of Eastern European music institutions in the 19 th century. He was interested in making usable all the relationships in the data! And if all this data would be wired with Musica migrans! This sounded like a case for Topic Maps, so we asked Mr. Loos to sketch his domain…

Institut für Informatik www.Musicamigrans.de Automatische Sprachverarbeitung 63TMUC 2008, Oslo, Lutz Maicher (maicher@informatik.uni-leipzig.de) Questions? Questions! www.musicamigrans.de Lutz Maicher (maicher@informatik.uni-leipzig.de)maicher@informatik.uni-leipzig.de … we are very interested in projects using Topic Maps in the humanities! Contact us, if you have an idea!

Institut für Informatik Automatische Sprachverarbeitung Musica migrans Topic Maps portal about the migration paths of Eastern European musicians in the.

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Institut für Informatik Automatische Sprachverarbeitung Musica migrans Topic Maps portal about the migration paths of Eastern European musicians in the.

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