منابع مشابه
Information Retrieval and Digital Libraries
Chapter Overview The field of information retrieval (IR) is generally concerned with the indexing and retrieval of knowledge-based information. Although the name implies the retrieval of any type of information, the field has traditionally focused on retrieval of text-based documents, reflecting the type of information that was initially available by this early application of computer use. Howe...
متن کاملPersonalized Information Retrieval Services for Digital Libraries
Digital libraries are huge and complex information systems. Digital library users are from various backgrounds with diversified information requirements. Digital library users are fed up with the information overload problem due its unsophisticated search features. Digital libraries can be effectively implemented by addressing the information overload problem. Hence, this paper presents newly d...
متن کاملRAMESHJAIN Visual Information Retrieval in Digital Libraries
ions in spatio-temporal space are not yet understood well enough to automatically extract them from video sequences. Though some techniques have been developed to represent relative time ordering of two events, representations for abstraction of events need to be developed to allow users to articulate questions related to temporal events. 4. Integrated Queries. Users are interested in getting i...
متن کاملDigital Library Information Categorization, Visualization, and Retrieval
We present a new information categorization, visualization, and retrieval method. First, we map each document in a digital library into a vector which contains the frequencies of all words in the entire collections stripping off those strings which do not contribute distinctive information, then we correlate each vector with a hyper-pixel in a 2D space. We call a pixel a hyper-pixel because it ...
متن کاملCo-operative Information Retrieval in Digital Libraries
In recent years, the great expansion of distributed resources through for example the Internet has set-up a framework for the realisation of an age-old vision: gaining firsthand immediate access to vast amounts of information. The concept of a digital library is a step towards the realisation of this vision, and can be regarded (from a computer science perspective) simply as a distributed infor...
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ژورنال
عنوان ژورنال: Studies in Informatics and Control
سال: 2010
ISSN: 1220-1766,1841-429X
DOI: 10.24846/v19i2y201009