From c6596e41314ccd7281502df53aa89213429505b5 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Andreas=20Kusalananda=20K=C3=A4h=C3=A4ri?=
<ak4@sanger.ac.uk>
Date: Tue, 2 Jun 2009 12:52:27 +0000
Subject: [PATCH] Add helpful graph.
---
misc-scripts/ontology/README | 24 +++++++++++++++++++-----
1 file changed, 19 insertions(+), 5 deletions(-)
diff --git a/misc-scripts/ontology/README b/misc-scripts/ontology/README
index 93e68c4f8f..92a31661b8 100644
--- a/misc-scripts/ontology/README
+++ b/misc-scripts/ontology/README
@@ -74,11 +74,25 @@
selection of transitive relation types. The transitive relation
types currently covered are 'is_a', 'part_of'.
- Each entry in the 'closure' table consists of a reference to
- a child term, to one of its ancestor terms, a reference to an
- immediate child of the ancestor, called the sub-parent, and
- the distance between the child and the ancestor through the
- sub-parent.
+ Each entry in the 'closure' table consists of a reference to a
+ child term, to one of its ancestor terms ("parent"), a reference
+ to an immediate child of the ancestor, called the sub-parent,
+ and the distance between the child and the ancestor through the
+ sub-parent (see figure below).
+
+ [parent]
+ |
+ +--------------------------+
+ | |
+ [subparent] [other children of parent term]
+ | |
+ : +---------------+
+ : :
+ [other terms in the hierarchy]
+ :
+ :
+ |
+ [child]
This table is computed by a Perl program (see below) from the
'relation' table and allows for quick retrieval of all ancestors
--
GitLab