Execution of the jar erca2
# eRCA can be executed as an eclipse
project or in a jar archive with commands
# here we show how to use the version
erca2 (on the web page of the ICFCA2011 tutorial)
# to see the different steps of the
RCA process
# the directory PizzasIcfca2011/
contains the source pizzasIcfca2011.rcft
1. Compute the concept lattice families
#write the following on a single line
java -jar erca2.jar
# execute the erca program
clfbuild-debug
# for building a concept lattice
family in debug mode
# (lattices and scaled relations all
steps)
--rcft # using the following argument
PizzasIcfca2011/pizzasIcfca2011.rcft
# - input: the source relational
context family (rcf)
PizzasIcfca2011/pizzasIcfca2011.xmi
# - output: xmi containing the
relational context family
PizzasIcfca2011/pizzasIcfca2011.clf.xmi # - output: xmi containing the final
concept lattice family (clf)
PizzasIcfca2011/
# - input: directory where the rcf
and the clf of all steps will be stored
2. Obtain the lattices in a readable .svg file
# now PizzasIcfca2011/contains
# clf_0.clf
clf_2.clf
pizzasIcfca2011.clf.xmi
pizzasIcfca2011.xmi rcf_1.rcf
rcf_3.rcf
# clf_1.clf
clf_3.clf
pizzasIcfca2011.rcft rcf_0.rcf
rcf_2.rcf
# we encode the concept lattice
family of step 0 in svg to be able to manipulate it in an editor (like
inkscape)
# we copy it first to add extension
.xmi
cd PizzasIcfca2011/
cp clf_0.clf clf_0.clf.xmi
# eRCA computes the dot format
java -jar ../erca2.jar clfdot clf_0.clf.xmi
clf_0.clf.dot
# the dot format is converted in svg
format
dot -Tsvg clf_0.clf.dot -o clf_0.clf.svg
# the same can be done for the other
clf: clf_1.clf clf_2.clf etc.
3. Obtain the contexts in a readable .html file
# to see the rcf at each step, we
extract them form their xmi file, e.g. rcf_0.rcf
# we copy it first to add extension
.xmi
cp rcf_1.rcf rcf_1.rcf.xmi
# eRCA computes the html format
java -jar ../erca2.jar rcfhtml --xmi rcf_1.rcf.xmi
rcf_1.rcf.html
# the same can be done for the other rcf: rcf_0.rcf, rcf_2.rcf etc.
