Wiki-research-l October 2006

wiki-research-l@lists.wikimedia.org

6 participants
5 discussions

Reflection and research: User surveys
by Erik Zachte 09 Jan '07

09 Jan '07

SJ: > With a brief discussion about preserving privacy in aggregate data, > randomizing test and control samples, and a tweak to allow web forms > on pages that are aware of your wikipedia userid, we could have a > simple projects-wide survey completed within a month. Let's make this > a priority and make such a thing happen -- then figure out how to > optimize future iterations. > > The latest discussions on meta are here: > http://meta.wikimedia.org/wiki/General_User_Survey > SJ, great to hear you welcome the survey. After Wikimania 2005 the project fell idle, because I had too many other WM obligations and a not so good winter healthwise. Wikimania 2006 gave the project new elan and now someone else will code it. Status: Technical design has started but needs some more work: I'll make a mockup input script for the form generator. http://meta.wikimedia.org/wiki/General_User_Survey/Implementation Programming will start in a reasonable time frame, see Kevin's earlier post. I'm not so sure this takes only one month :( Major issues: 1 Authentication Best after single login is active, in a few weeks time? 2 Anonimisation of results May need some more thinking, this is sensitive matter We had a heated debate about this in Frankfurt, we'll probably get into this further when we have a proof of concept, and more people show up to give feedback. 3 Translation issues A Mediawiki wide survey needs to be held in many languages to reduce bias where opinions are asked. 4 Results should be script-processable, e.g. no free format feedback. Thus all answers should be on a numeric scale or predefined (e.g. country numbers instead of country names in all esoteric languages that no script can handle) Because of 3 a survey form needs to be built dynamically. No English/German/Japanese/etc texts intermingled with PHP script. That would be a maintenance nightmare. Depending on how much time the programmer can spend on the project, we could probably show an alpha version about 4 weeks after he starts. Then start major discussion on final questions (this will work better when people see a alpha version to play with), and finally freeze questions and invite translators. I would be happy if we did a major survey in November/December. Please don't ask for quick hacks. I know all this sounds like an invitation for some self-proclaimed code magician to make something barely functional in a weekend, pronounce the job done and then leave the 'dirty details' (usually 80% of what needs to be done) for others to clean up. I'd rather see to it that the first version is usable and a good platform for future reuse and extension. Erik Zachte :)

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Wikimania 2007 Hacking Days call-for-help
by Tian-Jian "Barabbas" Jiang＠Gmail 05 Nov '06

05 Nov '06

Dear Ladies and Gentlemen, Good day. I am Mike Tian-Jian Jiang ( http://www.linkedin.com/in/barabbas ), a team member of wikimania 2007. I'm trying to arrange Hacking Days currently, here's some rough plan that needs your precious suggestions. We would like to invite experts like you to provide speech and to encourage hackers involving MediaWiki/Wikimedia development. Please let me know if you have any advise to these outlines. For academic professionals, we will also hold a Conference for oral and poster paper presentations. Also please forward this mail to whom may be interested in. Thank you very much! Sincerely, Mike Hacking Days Agenda plan: * Wikimania 2006: o http://wikimania2006.wikimedia.org/wiki/Hacking_Days (Schedule MindMap is missing......) o http://wikimania2006.wikimedia.org/wiki/Hacking_Days_Extras * Wikimania 2005 o http://meta.wikimedia.org/wiki/Wikimania_2005_hacking_days or o http://meta.wikimedia.org/wiki/Wikimania_2005:Hacking_Days * MediaWiki API Introduction：as web 2.0 trend... o Query API o http://meta.wikimedia.org/wiki/API o Python Bot Framework * MediaWiki API application contest：a contest likes Google and Yahoo!'s, tries to attract hackers. o Wikipedia Gadget o Wikipedia Yahoo! Widget * MediaWiki enhancement o Wikiwyg + Ingy's AJAX version + Flash version o Collaboration editing/versioning o Site searching (Is there any plan to make Lucene available for other languages besides English?) o Improving Simplified-Traditional Chinese conversion o Audio/Video processing/streaming o Community: from "Talk" page to forum/bbs with more a flexible reputation system. o Spam/Captcha * MediaWiki system administration o Large scale data processing; please refers to + http://radar.oreilly.com/tag/database <http://docs.google.com/%20%20%20%20%20%20%20%20%20%20%20%20%20http://blog.i…> + http://labs.google.com/papers/bigtable.html <http://docs.google.com/%20%20%20%20%20%20%20%20%20%20%20%20%20http://labs.g…> o Load balancing o "The great wall" problem * Wikipedia content applications o (Crosslingual) search: especially for translation/transliteration of named entities from Wikimedia contents. o (Crosslingual) question-answering: CLEF 2006 already has a pilot task WiQA.

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New character for the wikipedia research tale
by Rut 31 Oct '06

31 Oct '06

Hey All, I want to introduce myself - I'm Rut Jesus (vulpeto) - portuguese but studying in Copenhagen. I am starting a PhD under the title 'Cooperation in Emergent Cognition of Socio-Technological Networks'. It's quite interdisciplinary and it can (still) go in many different directions. I've studied Physics and Philosophy before - and now I'm again at their crossroads: at the Center for Philosophy of Nature and Science Studies (humanities'ish) which is at the Niels Bohr Institute (physics'ish). For now I am mostly interested in being an observer - but certainly asking questions, perhaps making interviews, engaging in discussions, etc - but later I would also like to collaborate - specially in bringing some of the discussions/good-ideas/practices to wikipedias smaller than the english one (probably esperanto, perhaps portuguese, perhaps danish). A virtual hug. Best, rut

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new fellow..
by Sylvain Firer-Blaess 27 Oct '06

27 Oct '06

Hello everybody ! I'm a graduate student at the Institute of Political Studies, Lyon, France, and I'm writing my Ma thesis about philosophical and political grounds of Wikipedia. The subject sounds broad, it surely is, and I'll try to make it more precise in the future. I hope this mailing list will be a source of help and discovery for each other. Last, please excuse my english, I 'll try to improve it ! ;) All best, Sylvain

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Computing Semantic Relatedness using Wikipedia-based Explicit Semantic Analysis
by Evgeniy Gabrilovich 04 Oct '06

04 Oct '06

Dear colleagues, We would like to announce a new research paper that uses Wikipedia for computing semantic relatedness of natural language texts. Evgeniy Gabrilovich and Shaul Markovitch (2007). ''Computing Semantic Relatedness using Wikipedia-based Explicit Semantic Analysis''. Proceedings of The 20th International Joint Conference on Artificial Intelligence (IJCAI), Hyderabad, India, January 2007 http://www.cs.technion.ac.il/~gabr/papers/ijcai-2007-sim.pdf ABSTRACT Computing semantic relatedness of natural language texts requires access to vast amounts of common-sense and domain-specific world knowledge. We propose Explicit Semantic Analysis (ESA), a novel method that represents the meaning of texts in a high-dimensional space of concepts derived from Wikipedia. We use machine learning techniques to explicitly represent the meaning of any text as a weighted vector of Wikipedia-based concepts. Assessing the relatedness of texts in this space amounts to comparing the corresponding vectors using conventional metrics (e.g., cosine). Compared with the previous state of the art, using ESA results in substantial improvements in correlation of computed relatedness scores with human judgments: from r=0.56 to 0.75 for individual words and from r=0.60 to 0.72 for texts. Importantly, due to the use of natural concepts, the ESA model is easy to explain to human users. Kind regards, Evgeniy. -- Evgeniy Gabrilovich Ph.D. student in Computer Science Department of Computer Science, Technion - Israel Institute of Technology Technion City, Haifa 32000, Israel Email: gabr(a)cs.technion.ac.il WWW: http://www.cs.technion.ac.il/~gabr

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Wiki-research-l October 2006