Title: Department of Computer Science Seminar
Date: Monday, Nov. 25, 2002
Time: 3:30pm to 4:15pm
Venue: Room N101, CSIT Building [108]
Speaker: Dr Huilin Ye  

Description: A Visualized Software Library: Nested Self-Organising Maps for Software Retrieval and Browsing.



                              Abstract 

One of the major challenges in software reuse is how to construct
software libraries that will facilitate efficient and effective
retrieval of the desired software components for reuse. 
Software library systems based on current approaches 
are either ineffective in retrieval, or inefficient 
in building and updating the libraries. Such systems 
may also be difficult to use as considerable knowledge 
about the inner working of the systems is required.  
This seminar will present an approach, called Visualised Software
Library (VSL), to the structuring of software libraries. 
To achieve an optimal balance among effectiveness, 
efficiency and user-friendliness, VSL combines the strengths 
of the automatic free-text indexing method and 
the Self-Organising Map (SOM) neural network technology. 
To address the problem of poor precision existing 
in current SOM-based general document classification systems, 
a sophisticated neural network architecture, 
the Nested Self-Organising Map (NSOM), is developed. 
The NSOM-based storage structure is capable of facilitating 
a more effective two-level retrieval, a coarse-grained retrieval 
to improve recall and a fine-grained retrieval to enhance precision. 
Results obtained from a retrieval experiment revealed that the
established VSL-based library achieved a better level of precision at
the same level of recall in comparison with other software library
systems. The retrieval performance of the VSL-based library was also
compared with a publicly available full-text retrieval system. A
significant improvement in both recall and precision was observed. The
positive experimental results demonstrate the effectiveness of the VSL
approach.


URL: http://cs.anu.edu.au/lib/seminars/seminars02/dept20021125b

Biography: Dr. Huilin Ye received her Bachelor of Engineering from
Harbin Engineering University, China, in 1982 
and completed her PhD at Southern Cross University, Australia, in
2000. Dr. Ye worked as a computer system analyst and software engineer 
from 1982 to 1992 at Wuhan Automation Research Institute. 
She was an associate professor at the Department of Computer Science, 
Hubei University, China, from 1992 to 1996. 
Dr. Ye has joined the Discipline of Computer Science 
and Software Engineering within the School of Electrical 
Engineering and Computer Science at the University of Newcastle Since
October 2000. She is currently a lecturer at the Discipline. 
Her major research interests include software reuse (intelligent
software library system), software system development, 
information retrieval, neural network application, and data mining (feature selection).