static ActualThoughtSpace openThoughtSpaceFromDB(S name) {
  S prefix = "[" + name + "] ";
  Collection<S> terms = allIndexedFullTermsStartingWith(prefix);
  ActualThoughtSpace ts = newThoughtSpace();
  for (S rel : terms)
    for (TripleWeb w : ai_globalTriplesWithB(rel))
      ts.add();
  ret ts;
}