By Brandy King, Kathy Reinold
Geared toward scholars and execs inside of Library and data providers (LIS), this booklet is ready the ability and power of ontologies to reinforce the digital seek approach. The publication will evaluate seek suggestions and leads to the present seek surroundings and show how those may be reworked utilizing ontologies and idea looking. easy descriptions, visible representations, and examples of ontologies will carry a whole figuring out of ways those thought maps are developed to augment retrieval via traditional language queries. Readers will achieve a feeling of the way ontologies are at present getting used and the way they can be utilized sooner or later, encouraging them to consider how their very own paintings and their clients' seek reviews may be stronger by means of the construction of a personalised ontology.
- The authors, a librarian and software program advisor, use their services to show either the data technology and technical elements of ontologies and semantic search
- Written for librarians. in contrast to so much paintings on ontologies that is hugely technical and written for pros in desktop technology and information administration, this article is simple to appreciate and highlights purposes of this know-how which are so much relevant
- Case stories of actual lifestyles ontologies supply a realistic examine how they're presently being used
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Extra info for Finding the Concept, Not Just the Word. A Librarian's Guide to Ontologies and Semantics
Some search engines have begun using semantics by creating synonym lists and returning results by searching for 21 Finding the Concept, Not Just the Word synonyms of keywords. This addresses the issue regarding a search for heart attack above, as long as the engine has included myocardial infarction and heart infarction as two expressions in the synonym list. But have experts been used to create the synonym lists? Is the list complete and up to date? Many synonym lists in use today are severely limited in scope.
49 Finding the Concept, Not Just the Word Are different rating systems represented? If one reviewer assigns ratings with fork icons instead of stars, are those ideas connected? Is there a way to indicate whether a restaurant offers online reservations? Or whether they take reservations at all? Another step in verification is making sure that all relationships are mutual, meaning that the relationship is expressed both backward and forward, and that all mutual relationships hold true. If A is a parent of B, then the opposite relationship should also be expressed: B is a child of A.
Semantic search allows users to express questions in a natural way, rather than forcing them to translate their information needs into a combination of keywords. By taking meaning into consideration and searching for concepts or ideas, not just keywords, semantic search provides better precision and recall. Before addressing the main question of this chapter, how semantic search works, let us first explore several techniques for extracting meaning. Semantic techniques Natural language processing A natural language is any language used to communicate among individuals.
Finding the Concept, Not Just the Word. A Librarian's Guide to Ontologies and Semantics by Brandy King, Kathy Reinold