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Computing semantic similarity/relatedness between concepts and words is an important issue of many research fields. Information theoretic approaches exploit the notion of Information Content (IC) that provides for a concept a better understanding of its semantics. In this paper, we present a complete IC metrics survey with a critical study. Then, we propose(More)
The exploitation of heterogeneous clinical sources and healthcare records is fundamental in clinical and translational research. The determination of semantic similarity between word pairs is an important component of text understanding that enables the processing and structuring of textual resources. Some of these measures have been adapted to the(More)
This paper presents an information retrieval model in XML documents based on tree matching. Queries and documents are represented by extended trees. Therefore only one level separates between each node and its indirect descendants. This allows to compare easily structural constraints of the user query and the document structure with flexibility. Thus(More)
The goal of an XML retrieval system is to select from a set of XML documents all elements (nodes) that fit the user information need, usually expressed by a set of keywords with some structural conditions. Structural conditions are simply given by an ordered list of tag names that gives the target element where to search for relevant content. Consequently a(More)
Computing the semantic similarity/relatedness between terms is an important research area for several disciplines, including artificial intelligence, cognitive science, linguistics, psychology, biomedicine and information retrieval. These measures exploit knowledge bases to express the semantics of concepts. Some approaches, such as the information(More)
This paper presents a statistical approach to tree to tree correction adapted to structural information retrieval. It consits on indexing content and structure and use the both index in an information retrieval process. Retrieval process uses extended document and query structures and returns some fragments that follow the content and structure of the(More)