Dear DSpace community,
How to integrate dspace source files in netbeans IDE to modify it.
________________________________
De : Viviana Mascardi <viviana.masca...@unige.it>
À : dspace-tech@lists.sourceforge.net
Envoyé le : Vendredi 12 juillet 2013 16h22
Objet : [Dspace-tech] Request on complex attributes
Dear DSpace community,
we are a group of computer science researchers that are considering to
use DSpace for our project http://indianamas.disi.unige.it/.
Our digital objects are images that should be classified according to
some categories from a controlled vocabulary (human_being, animal, car,
...).
Each image can be associated with more than one concept from the
controlleed vocabulary, and each classification may have a confidence in
[0%, 100%].
For example, image1 could be classified as an animal with confidence 76%
and as a car with confidence 20%.
We would like to store this information (multiple classifications, each
with a confidence) in a structured way in order to make searches like
"Give me all the images that have been classified as cars with a
confidence > 45%".
According to our preliminary tests, we feel this problem cannot be
solved with the element.qualifier structure, since the couples (animal,
76) and (car, 20) referring to image1 are divided into
element.classification = car;
element.classification = animal;
element.confidence = 20;
element.confidence = 76;
but nothing says that the confidence "76" refers to the classification
"animal".
We would avoid to solve the problem with a string that encodes the
couples, like in the following lines
element.classification_and_conf = "(car;20)"
element.classification_and_conf = "(animal;76)"
as making queries would become very complex and expensive: a query like
"Give me all the images that have been classified as cars with a
confidence > 45%" would require a parsing of the string that cannot be
solved with the standard "Equals"and "Contains" query filters.
Many thanks for your kind advice,
Viviana Mascardi & colleagues
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