Storage and retrieval of structured documents

Macleod, Ian A.

doi:10.1016/0306-4573(90)90025-w

Cited by 59 publications

(19 citation statements)

References 8 publications

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“…Examples of pre-XML/NEX approaches include [12,44,51]. Most of the early structured text retrieval models, however, do not return a ranked list of results.…”

Section: Resultsmentioning

confidence: 99%

XML Information Retrieval

Lalmas¹

2009

Encyclopedia of Library and Information Sciences, Third Edition

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Nowadays, increasingly, documents are marked-up using XML, the format standard for structured documents. In contrast to HTML, which is mainly layoutoriented, XML follows the fundamental concept of separating the logical structure of a document from its layout. This document logical structure can be exploited to allow a focused access to documents, where the aim is to return the most relevant fragments within documents as answers to queries, instead of whole documents. This article describes approaches developed to query, represent, and rank XML fragments.

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“…Examples of pre-XML/NEX approaches include [12,44,51]. Most of the early structured text retrieval models, however, do not return a ranked list of results.…”

Section: Resultsmentioning

confidence: 99%

XML Information Retrieval

Lalmas¹

2009

Encyclopedia of Library and Information Sciences, Third Edition

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“…Figure 7 illustrates this procedure graphically. We implemented all the operators suggested in [lo] including 'child', 'in', positional operators', 'cardinality' operator and so 6. EXPERIMENT AND CORPUS on.…”

Section: Structural Retrievalmentioning

confidence: 99%

An effective mechanism for index update in structured documents

Jang

Kim

Shin

1999

Proceedings of the Eighth International Conference on Information and Knowledge Management

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Indexing and retrieval of structured documents have been drawing attention increasingly since they enable to retrieve and access a certain part of a document easily. So far. several methods have been proposed in the setting that documents are rarely changed. These can be applied for the books or journals possessed in libraries, but hardly work for the documents that are subject to change frequently in the business domain. This paper aims at enabling incremental update of indices whenever parts of documents are changed. For this, it employs the index-organized table that has been developed for the full-text retrieval in Oracle. It creates several index-organized tables that are essential in implementing the Bottom Up Scheme strategy. which has been developed for manipulating structured documents efficiently.Along with an experiment, the technique presented here does not add much index overhead to the original one taken to the index organized table. In addition, the updates of indices are performed quickly as soon as parts of documents are changed.

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“…A simple approach to this problem is to store document elements in a relational database system [Macleod, 1990] with text indexing. Adopting the relational model provides access to the querying capabilities associated with conventional databases.…”

Section: Relationalmentioning

confidence: 99%

System architectures for structured document data

Arnold-Moore¹,

Fuller²,

Sacks-Davis³

2000

Markup Languages: Theory and Practice

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Semi-structured data, including but not limited to structured documents, has specific characteristics and is used in ways different to tabular data. SGML and XML are widely used to represent information of this type. The demands on systems that manage semistructured data vary from those on traditional relational systems. This paper reviews the nature and characteristics of semi-structured data, and the functional needs of those applications, including query requirements, document description, manipulation, and document management needs. It examines alternative physical models for semistructured data, and evaluates and compares alternative system architectures.

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Storage and retrieval of structured documents

Cited by 59 publications

References 8 publications

XML Information Retrieval

XML Information Retrieval

An effective mechanism for index update in structured documents

System architectures for structured document data

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