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Schema profiling of document-oriented databases [PDF]

open access: yesInformation Systems, 2018
Abstract In document-oriented databases, schema is a soft concept and the documents in a collection can be stored using different local schemata. This gives designers and implementers augmented flexibility; however, it requires an extra effort to understand the rules that drove the use of alternative schemata when sets of documents with different ...
Enrico Gallinucci   +2 more
exaly   +3 more sources

Querying documents in object databases

International Journal on Digital Libraries, 1997
that consist in grammars annotated with database programs. To query documents, we introduce an extension of OQL, the ODMG standard query language for object databases. Our extension (named OQL-doc) allows us to query documents without a precise knowledge of their structure using in particular generalized path expressions and pattern matching.
Abiteboul, Serge   +5 more
openaire   +2 more sources

The detection of duplicates in document image databases

Image and Vision Computing, 1998
Abstract Document imaging technology has developed to the point where it is not uncommon for organizations to scan large numbers of documents into databases with little or no index information. This may be done for archival purposes with an index as simple as a case number, or with the ultimate goal of automatically extracting index information for ...
David S. Doermann   +2 more
exaly   +2 more sources

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