Collection/Item Metadata Relationships

Allen H. Renear, Karen M. Wickett, R. Urban, David Dubin, Sarah L. Shreeves
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引用次数: 17

Abstract

Contemporary retrieval systems, which search across collections, usually ignore collection-level metadata. Alternative approaches, exploiting collection-level information, will require an understanding of the various kinds of relationships that can obtain between collection-level and item-level metadata. This paper outlines the problem and describes a project that is developing a logic-based framework for classifying collection/item metadata relationships. This framework will support (i) metadata specification developers defining metadata elements, (ii) metadata creators describing objects, and (iii) system designers implementing systems that take advantage of collection-level metadata. We present three examples of collection/item metadata relationship categories, attribute/value-propagation, value-propagations, and value-constraint and show that even in these simple cases a precise formulation requires modal notions in addition to first-order logic. These formulations are related to recent work in information retrieval and ontology evaluation.
集合/项元数据关系
当代检索系统跨集合进行搜索,通常忽略集合级元数据。利用集合级信息的替代方法需要理解可以在集合级和项级元数据之间获得的各种关系。本文概述了这个问题,并描述了一个项目,该项目正在开发一个基于逻辑的框架,用于对集合/项目元数据关系进行分类。这个框架将支持(i)定义元数据元素的元数据规范开发人员,(ii)描述对象的元数据创建者,以及(iii)利用集合级元数据实现系统的系统设计人员。我们给出了集合/项元数据关系类别、属性/值传播、值传播和值约束的三个示例,并表明即使在这些简单的情况下,精确的表述除了一阶逻辑之外还需要模态概念。这些公式与最近在信息检索和本体评价方面的工作有关。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
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