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Opening Systematic Classification
Keywords: Opening, Joseki, SL description
Discussion on this page has now been distributed as follows: Charles Matthews Initially I wrote here after discussion that happened on WhitherJoseki. Some deshis would like to see systematic classification, particularly of joseki, and joseki pages I think one can make a better judgement of any system after seeing it in practice, and having some experience of how it works. The use of alias names on pages means that more than one system can be used at a time on SL. Some joseki pages will be there as reference material: quite a few clicks away from the Front Page. But this justified if a systematic way of naming them makes them easier to find for those who are looking. Dieter I wouldn't have split the discussion into different pages, but I can see the merits. Charles The splitting up of the page was suggested by someone else - but it is surely justified once there are eight topics on a page? I have edited the paragraphs before Dieter's comment in the hope of simplifying the points I made on an earlier occasion. I like the idea of a very precise fuseki and joseki indexing system to complement a more widely used descriptive system like "komoku and ogeima kakari". (For me, some of the fun of Go has been learning a new, foreign jargon; even though I, in principle, like finding English words for concepts we first got from the Japanese, I'll probably always use shimari instead of corner enclosure, just because I like it better.) Anyway, I think a highly precise system for the true hardcore go geeks among us -- whoops, I mean go scholars -- to play with would be a Good Thing, as long as it didn't take over and render the introductory and intermediate material stultifying.
There is a fuseki indexing system used since 1972 by the American Go Association archivist, TDerz Has anyone of above consulted an experienced documentalist, i.e. a librarian? (I am not) Every proposal has pros and cons. I foresee here a particular problem with the Z classificator in Charles proposal. This is purely arbitrary for a beginner, who does not know that many amateur high dan players will classify a move as such, AND it might be so for a professional Korean player. The information Tenuki Z comes actually from the knowledge of another Joseki, however this _not being present in the position diagram which anyone__ should be able to translate into the query. Hence these types of Joseki including Z must be classified twice for being retrievable at last. Any classification system [2] having its cause and purpose that you want to find (information on) josekis, will have to deal with several - mutually exclusive to some extent [1] - desiderata:
Information visualization tools for exploration:
Hence, what's my conclusion? The quintescense is to distinguish between two different goals:
Stick to good old diagrams as entries, when the user is a human. Give some shortcuts (4-4, 3-4, 5-3, 3-3 with follow-up letters).
For the machine searchability I have no best answer.
It always has a relationship with redundancy, relevance and significance. Usually, one cannot optimize them all at once.
(Here comes in my 15 years experience in chemical database searching, which of course has much different problems (recall overflow vs. significance) than searches in Go (there won't be so many entries on Josekis))
Perhaps I miss the whole point and issue at stake here, however users - I am a user - do not care much about what happens below the surface of a machine, rather want fast access (efficiency) to results. It might also be that different approaches from above are best in different - mutually exclusive - situations (searches for josekis). However, if someone prefers one approach (search language, e.g. Charles, Doug's, AGA's, Tamsin's) over the other a simple translation tool could enable any user to work in his/her preferred language. Not so specific queries (e.g. including Charles' tenukis Z had to get wildcards *) [1] as in "You cannot have the cheapest and best car."
[2] BTW, here a very good overview on the Search & Indexation can be found This is a copy of the living page "Opening Systematic Classification" at Sensei's Library. ![]() |