File Management and Information Retrieval Systems
Author | : Suzanne L. Gill |
Publisher | : |
Total Pages | : 296 |
Release | : 1993 |
Genre | : Business & Economics |
ISBN | : |
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Author | : Suzanne L. Gill |
Publisher | : |
Total Pages | : 296 |
Release | : 1993 |
Genre | : Business & Economics |
ISBN | : |
Author | : United States. National Archives and Records Service |
Publisher | : |
Total Pages | : 160 |
Release | : 1971 |
Genre | : |
ISBN | : |
Author | : Sherri McCarthy |
Publisher | : Chicago, Ill. : Medical Library Association |
Total Pages | : 182 |
Release | : 1988 |
Genre | : Abstracting and indexing services |
ISBN | : |
Author | : Christopher D. Manning |
Publisher | : Cambridge University Press |
Total Pages | : |
Release | : 2008-07-07 |
Genre | : Computers |
ISBN | : 1139472100 |
Class-tested and coherent, this textbook teaches classical and web information retrieval, including web search and the related areas of text classification and text clustering from basic concepts. It gives an up-to-date treatment of all aspects of the design and implementation of systems for gathering, indexing, and searching documents; methods for evaluating systems; and an introduction to the use of machine learning methods on text collections. All the important ideas are explained using examples and figures, making it perfect for introductory courses in information retrieval for advanced undergraduates and graduate students in computer science. Based on feedback from extensive classroom experience, the book has been carefully structured in order to make teaching more natural and effective. Slides and additional exercises (with solutions for lecturers) are also available through the book's supporting website to help course instructors prepare their lectures.
Author | : United States. National Archives and Records Service. Office of Records Management |
Publisher | : |
Total Pages | : 168 |
Release | : 1971 |
Genre | : Executive departments |
ISBN | : |
Author | : Cornelis Joost van Rijsbergen |
Publisher | : Springer Science & Business Media |
Total Pages | : 332 |
Release | : 2012-12-06 |
Genre | : Computers |
ISBN | : 1461556171 |
In recent years, there have been several attempts to define a logic for information retrieval (IR). The aim was to provide a rich and uniform representation of information and its semantics with the goal of improving retrieval effectiveness. The basis of a logical model for IR is the assumption that queries and documents can be represented effectively by logical formulae. To retrieve a document, an IR system has to infer the formula representing the query from the formula representing the document. This logical interpretation of query and document emphasizes that relevance in IR is an inference process. The use of logic to build IR models enables one to obtain models that are more general than earlier well-known IR models. Indeed, some logical models are able to represent within a uniform framework various features of IR systems such as hypermedia links, multimedia data, and user's knowledge. Logic also provides a common approach to the integration of IR systems with logical database systems. Finally, logic makes it possible to reason about an IR model and its properties. This latter possibility is becoming increasingly more important since conventional evaluation methods, although good indicators of the effectiveness of IR systems, often give results which cannot be predicted, or for that matter satisfactorily explained. However, logic by itself cannot fully model IR. The success or the failure of the inference of the query formula from the document formula is not enough to model relevance in IR. It is necessary to take into account the uncertainty inherent in such an inference process. In 1986, Van Rijsbergen proposed the uncertainty logical principle to model relevance as an uncertain inference process. When proposing the principle, Van Rijsbergen was not specific about which logic and which uncertainty theory to use. As a consequence, various logics and uncertainty theories have been proposed and investigated. The choice of an appropriate logic and uncertainty mechanism has been a main research theme in logical IR modeling leading to a number of logical IR models over the years. Information Retrieval: Uncertainty and Logics contains a collection of exciting papers proposing, developing and implementing logical IR models. This book is appropriate for use as a text for a graduate-level course on Information Retrieval or Database Systems, and as a reference for researchers and practitioners in industry.
Author | : |
Publisher | : |
Total Pages | : 149 |
Release | : 1970 |
Genre | : |
ISBN | : |
Author | : Miranda Lee Pao |
Publisher | : Englewood, Colo. : Libraries Unlimited |
Total Pages | : 312 |
Release | : 1989 |
Genre | : Language Arts & Disciplines |
ISBN | : |
Author | : G G Chowdhury |
Publisher | : New Age International |
Total Pages | : 238 |
Release | : 1996 |
Genre | : Database management |
ISBN | : 9788122407600 |
This Book Aims At Helping The Reader Develop A Clear Under- Standing Of Text Retrieval Systems, Including Its Nature And Characteristics; Steps To Be Followed In Developing A Text Retrieval System; Software Packages Available For The Purpose; Guidelines For Choosing An Appropriate Software, And So On. To Make The Text Suitable For All Kinds Of Readers, Chapters And The Basics Of Database Technology, Database Management, And File Structures Appropriate For Text Retrieval Systems Have Been Provided. This Book Also Discusses The Major Features Of Library Management Systems (Lmss), The Software Packages Used For Automating Library House-Keeping Operations.The Trend Is To Developing Systems Which Can Provide The Actual Information Sought By The Use Rather Than Reference To The Information Sources Or Part Of The Text Where The Search Term Appears. Such Systems Apply Expert Systems And Natural Language Processing Techniques, And Are Called Knowledge-Based Systems (Kbss). This Book Describes Features Of These Systems And Mentions Some Of The Applications Of Kbss In Library And Information Activities.
Author | : National Archives and Records Service (United States of America). Office of Records Management |
Publisher | : |
Total Pages | : 0 |
Release | : 1970 |
Genre | : Information storage and retrieval systems |
ISBN | : |