Browsing Articles authored by UoM staff by Author "Dias, G"

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  • Automated Assessment of Multi-Step Answers for Mathematical Word Problems 
    Dias, G; Ranathunga, S; Kadupitiya, JCS [Article-Abstract]
    We present a system to automatically grade the mathematical word questions. The questions that we currently consider are at the level of GCE (General Certificate of Education) Ordinary Level (O/L) Mathematics paper standard ...
  • Automatic Creation of a Sentence Aligned Sinhala-Tamil Parallel Corpus 
    Hameed, RA; Pathirennehelage, N; Ihalapathirana, A; Mohamed, MZ; Ranathunga, VSD; Jayasena, S; Dias, G; Fernando, S [Article-Abstract]
    A sentence aligned parallel corpus is an important prerequisite in statistical machine translation. However, manual creation of such a parallel corpus is time consuming, and requires experts fluent in both languages. ...
  • Building a WordNet for Sinhala 
    Wijesiri, I; Gallage, M; Gunathilaka, B; Lakjeewa, M; Wimalasuriya, DC; Dias, G; Paranavithana, R; De Silva, N [Article-Abstract]
    Sinhala is one of the official languages of Sri Lanka and is used by over 19 million people. It belongs to the Indo-Aryan branch of the In-do-European languages and its origins date back to at least 2000 years. It has ...
  • Challenges of enabling IT in the Sinhala Language 
    Dias, G [Article-Abstract]
    Although Sinhala is the national language of Sri Lanka, even in 2004 most computer operating systems, databases and applications were in English and only a handful of Sinhala websites existed. Many people thought that ...
  • Cloud To Cloud: Enabling Content Transfer among Personal Cloud Instances 
    Erabadda, B; Baddegama, V; Dias, G [Article-Abstract]
    With increasing globalization, it has become essential to share digital content with various parties. Meanwhile, it is important to preserve confidentiality and have control over how a particular party’s personal content ...
  • COMBINED SYMBOLIC AND NUMERICAL METHODS FOR SOLVING EQUATIONAL SYSTEMS 
    Dias, G; Nanayakkara, V [Article-Abstract]
    In this paper we discuss systems developed to assist scientists and engineers to solve their problems based on mathematical models using numerical and symbolic methods. Numerical library routines for numerical algorithms ...
  • Comparison Between Performance of Various Database Systems for Implementing a Language Corpus 
    Upeksha, D; Wijayarathna, C; Siriwardena, M; Lasandun, L; Wimalasuriya, C; de Silva, NHND; Dias, G
    Data storage and information retrieval are some of the most important aspects when it comes to the development of a language corpus. Currently most corpora use either relational databases or indexed file systems. When ...
  • Comprehensive Part-Of-Speech Tag Set and SVM Based POS Tagger for Sinhala 
    Fernando, S; Ranathunga, S; Jayasena, S; Dias, G
    This paper presents a new comprehensive multi-level Part-Of-Speech tag set and a Support Vector Machine based Part-Of-Speech tagger for the Sinhala language. The currently available tag set for Sinhala has two limitations: ...
  • CONSTRUCTION OF A MULTILINGUAL PLACE NAME DATABASE FOR SRI LANKA 
    Weerasinghe, A; Dias, G
    Although the national languages of Sri Lanka are Sinhala and Tamil, due to the fact that most of the computer systems operate in English, almost all the databases in Sri Lanka have been implemented in English. This paper ...
  • Development of Standards for Sinhala Computing 
    Dias, G; Goonetilleke, A [Article-Abstract]
    Information technology has been used in Sri Lanka for about 20 years, but to a great extent, its use has been limited to those with a knowledge of English. And as these are a minority of the population, the larger proportion ...
  • DIDS (Distributed Intrusion Detection System) - Motivation, Architecture, and An Early Prototype 
    Snapp, SR; Brentano, J; Dias, G; Goan, TL; Heberlein, LT; Ho, CL; Levitt, KN
    Intrusion detection is the problem of identifying unauthorized use, misuse, and abuse of computer systems by both system insiders and external penetrators. The proliferation of heterogeneous computer networks provides ...
  • Extending the Reach of the Internet Through Paging 
    Dias, D; Dias, G; Perera, U [Article-Abstract]
    This paper describes a technique implemented for the integration of paging networks with the Internet through electronic mail. Pager subscribers are assigned standard Internet e-mail addresses. When a message is received ...
  • A Market-Based Approach to control Web Bandwidth Usage 
    Disanayake, C; Dias, G; de Silva, CR [Article-Abstract]
    We have designed and implemented a proxy-based system which allows each user to request, and obtain a desired amount of bandwidth for web access. Bandwidth is priced dynamically based on the demand at any given time. This ...
  • NETWORK ATTACKS AND AN ETHERNET-BASED NETWORK SECURITY MONITOR 
    Beberlein, LT; Dias, G; Levitt, KN; Mukherjee, B; Wood, J [Article-Abstract]
    The study of security in computer networks is a rapidly growing area of interest because of the proliferation of networks and the paucity of security measures in most current networks. Since most networks consist of a ...
  • A New Prosodic Phrasing Method for Sinhala Language 
    Bandara, WMC; Lakmal, WMS; Liyanagama, TD; Dias, G; Jayasena, S; Bulathsinghala, SV [Article-Abstract]
    This paper describes a new method of predicting prosodic phrase breaks in Sinhala language in order to improve the quality of the existing TTS Sinhala voices. In a Text To Speech (TTS) system, quality of the synthetic ...
  • Online Sinhala Handwritten Character Recognition on Handheld Devices 
    Ranmuthugala, MHP; Pathiragoda, GDNC; Jayasundara, SHC; Dias, G; Karunananda, AS [Article-Abstract]
    The online handwritten character recognition on handheld devices presents a challenging assignment due to the limited memory, processing and storage constraints. This paper presents an online handwritten character recognition ...
  • REST-based Offline e-Mail System 
    Dias, G; Karunarathna, M; Udantha, M; Gunathilake, I; Pathirathna, S; Rathnayake, T [Article-Abstract]
    Over the years the Internet has grown from a research tool to a worldwide communication medium. One of the applications that has grown up with the Internet is e-mail. e-Mail has become an indispensable tool for both ...
  • Sinhala Short Sentence Similarity Measures using Corpus-Based Similarity for Short Answer Grading 
    Kadupitiya, JCS; Ranathunga, S; Dias, G [Article-Abstract]
    Currently, corpus based-similarity, string-based similarity, and knowledge-based similarity techniques are used to compare short phrases. However, no work has been conducted on the similarity of phrases in Sinhala language. ...
  • “Sri Lankan Names Reader” Sri Lankan Personal Name Synthesizer 
    Chulasinghe, SKAKB; Dias, G [Article-Abstract]
    There are not many researches undertaken in the area of digital synthesizing of Sri Lankan personal names. The authors could only find a small number of comprehensive works, which includes Sri Lankan personal name translation ...
  • A system for distributed intrusion detection 
    Snapp, S; Brentano, J; Dias, G; Grance, T; Heberlein, T; Ho, CL; Levitt, KN; Mukherjee, B; Mansur, DL; Pon, KL; Smaha, SE
    The study of providing security in computer networks is a rapidly growing area of interest because the network is the medium over which most attacks or intrusions on computer systems are launched. One approach to solv-ing ...