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Abstract

1. Introduction In this age of world wide communication, and the resulting thrust towards universality, the domain specific specialized vocabularies used in the visual resources and bibliographic databases pose limitations of access. Although they provide adequate access to the experts in the field, a layperson with little or no knowledge in the field (lay user) is constrained by the terminology. The meaning of the index terms used in the databases or the choice of search terms is not easy for such a user. It presupposes the ability of the users to demarcate and discriminate a concept/entity from other entities, and a lay user is often unclear about the connotations of the terms, and the subtle differences in their usage within the domain. The challenge to any indexer of visual resources is the subjective nature of the interpretation of the image itself. Images very seldom contain any textual information besides title, creator or date. However, images also need to be accessed for content and context as well, and context and content description are very often left to "the eye of the beholder." Utilizing standardized terminology can help classify and define an image more accurately, thereby improving accessibility. However, the special needs of a lay user still remain to be addressed. The use of as an auxiliary resource may help alleviate this problem to some extent. This paper presents the findings of an exploratory study to assess the value of WordNet as a pre-search tool to aid in the understanding and the identification of concepts, including the terminology needed to search visual resources databases in the field of architecture. It also reveals the nature of the problems encountered by lay users and how specific aspects of WordNet were helpful. WordNet is an electronic lexical database based an psycho-linguistic theories of human lexical memory, developed and maintained at Princeton University since 1985. Sets of synonymous terms (or synsets) constitute its basic organization. English nouns, verbs, an adjectives are organized into synsets, each representing one underlying lexical concept. Several types of relationships between the synsets are recorded in Wordnet.

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