LIDA (Linguistic Assistant for Domain Analysis)
LIDA (LInguistic Assistant for Domain Analysis) helps analysts to
develop object-oriented models of a domain, using a subset of UML.
In order to develop such models, the requirements analyst or knowledge
engineer often needs to analyze large volumes of text from
"legacy documents" these might include user manuals of legacy
systems, company policies, use cases, or transcripts of interviews
with domain experts. LIDA facilitates this analysis by compiling a
list of the words and multi-word terms in a document, and providing
a graphical interface for the user to mark them as corresponding to
elements of a model. It also lets the user validate models as they
are created, through integration with our ModelExplainer tool,
which generates textual descriptions of a model.
(Click on image to view full size)
State-of-the-art linguistic processing is used to group
different forms of the same base word together, to determine part of
speech (noun, verb, adjective), and to detect multi-word terms.
The full text, word lists, and evolving UML model are displayed in
parallel, letting the user compare different views.
Words and multi-word terms can be assigned a type in the model
(Class, Attribute, Role, etc.) with the click of a button.
The corresponding strings are color-coded in the text display
and graphically displayed in the Modeler window.
Words and multi-word terms can be sorted alphabetically, by frequency,
by part of speech, or by assigned type.
KWIC (Keywords In Context) view displays only those sentences containing
a chosen word or group of words.
Completed models can be exported to visual modelling tools such as
Future plans include import capabilities from modeling tools,
drag-and-drop model construction, and automatic extraction of
model candidates from structured use cases.
For more information
Overmyer, Scott; Lavoie, Benoit; and Rambow, Owen (2001).
Conceptual Modeling through Linguistic Analysis Using LIDA.
In Proceedings of 23rd International Conference on Software Engineering
(ICSE 2001), Toronto, Canada.
[Acrobat, 250 Kb]
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