A minimal Topic Maps Engine written in Ruby.

            (Largely inspired by RTM [http://rtm.topicmapslab.de])

                          Alexander  Mikhailian
             <alexander.mikhailian@spaceapplications.com>
                          <mikhailian@mova.org>


= Prerequisites

MRI Ruby 1.8.6 or Jruby 1.1.2, rubygems.

                             Install
  $ gem build tm4r.gemspec
  $ gem install tm4r*.gem

= Sample usage

  $ irb
  require 'rubygems'
  require 'tm4r'
  require 'tm4r/migrate/001_initial_schema'
  include TM4R
  ActiveRecord::Base.establish_connection(
   :adapter  => "sqlite3")
  InitialSchema.up

= Sample session

  tm = TopicMap.new(:base=>"iri://italian-opera")
  tm.from_xtm2(File.open("misc/ItalianOpera.xtm2"))
  t = tm.topics.first
  t.occurrences
  t.occurrences.each {|o| print "#{o.datatype}\n"}

= Using with MySQL

Create a MySQL database with  the UTF-8 default encoding

  $ echo "create database test DEFAULT CHARSET=utf8" |mysql

Run
  $ irb
  require 'rubygems'
  require 'tm4r'
  require 'tm4r/migrate/001_initial_schema'
  include TM4R
  ActiveRecord::Base.establish_connection(
   :adapter  => "mysql",
   :host     => "localhost",
   :username => "test",
   :password => "test",
   :database => "test",
   :encoding => "utf8")
  InitialSchema.up

Check The ActiveRecord documentation [1] for other usage patterns.

[1] http://ar.rubyonrails.org