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The paper outlines a model for framing the representation and treatment of information gathered from the reuse and repurposing of learning resources from distributed repositories. The model takes into account as sources of information both static user-edited or automatically generated metadata fields and the emerging, dynamic information clouds that surrounds a learning resource when users comment...
Social tagging is a process in which many users add metadata to a shared content. Through the past few years, the popularity of social tagging has grown on the Web. In this paper we investigated the use of social tags for Web page classification: adding new Web pages to an existing Web directory. A Web directory is a general human-edited directory of Web pages. It classifies a collection of pages...
Nowadays, a number of universities, laboratories, government agencies and companies that placing theirs documents online and making them searchable are increasing because the Internet infrastructure for global data access is fully functional. However, a large number of organizations have documents that lack metadata. The lack of metadata breaks off not only the discovery and dissemination of these...
Enriching digital library's author meta-data can lead to valuable services and applications. This paper addresses the problem of extracting authors' information from their homepages. This problem is actually a multiclass classification problem. A homepage can be treated as a group of information pieces which need to be classified to different fields, e.g., Name, Title, Affiliation, Email, etc. In...
When search results against digital libraries and Web resources have limited metadata, augmenting them with meaningful and stable category information can enable better overviews and support user exploration. This paper proposes six "fast-feature" techniques that use only features available in the search result list, such as title, snippet, and URL, to categorize results into meaningful...
Biologists are increasingly relying on online biological databases to conduct their research. Despite the availability of hundreds of such databases, only a handful of them are effectively deployed by the community. The main reason for this is the lack of metadata provided by the databases, such as, the types of data stored, its coverage, and its relationship with other databases. Nevertheless, each...
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