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Peer reviewedPetry, Frederick E.; Cobb, Maria A. – Journal of the American Society for Information Science, 1998
Presents a model for representing and storing binary topological and directional relationships between 2-dimensional objects that is used to provide a basis for fuzzy querying capabilities. A data structure called an abstract spatial graph (ASG) is defined for the binary relationships that maintains all necessary information regarding topology and…
Descriptors: Geometry, Graphs, Information Sources, Information Storage
Peer reviewedRousseau, Ronald – Information Processing & Management, 1998
Demonstrates that if the similarity function of a retrieval system leads to a (pseudo-) metric, the retrieval, similarity and Everett-Cater metric topology coincide and are different from the discrete topology; this is the case if documents are represented by lists, using the Jaccard similarity measure. The corresponding metric is the…
Descriptors: Computer System Design, Document Delivery, Information Retrieval, Information Seeking
