Patterns for descriptive documents: a formal analysis
نویسندگان
چکیده
Combining expressiveness and plainness in the design of web documents is a difficult task. Validation languages are very powerful and designers are tempted to over-design specifications. This paper discusses an offbeat approach: describing any structured content of any document by only using a very small set of patterns, regardless of the format and layout of that document. A segmentation model, called Pentaformat, underpins our ideas and is presented in the first part of the paper. The core of this work is rather a formal analysis of some structural patterns, based on grammars and language theory. The study has been performed on XML languages and DTDs and has a twofold goal: coding empirical patterns in a formal representation, and proving their completeness. 1. Department of Mathematics and Applications R. Caccioppoli, University of Napoli Federico II, Italy 2. Department of Computer Science, University of Bologna, Italy
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