Overview of data sources

Central io-port reference database

io-port.net, the documentation system covering approx. 2.5 million publications, regularly scans the special databases listed below and the relevant information is processed and embedded in one integrated file.

• DBLP (Link http://dblp.uni-trier.de/) (Digital Bibliography & Library Project, University of Trier)
• CompuScience (FIZ Karlsruhe)
• LEABIB (Bibliographical Database of the Lehrstuhl für Effiziente Algorithmen of the Technical University of Munich)
• CCSB (The Collection of Computer Science Bibliographies, University of Karlsruhe (TH))
  

Multiplets resulting from the integration of the databases are merged to form a new, integrated record. Furthermore, a reference indicating the source database is displayed, so that a user can refer to the original document. The data producers still remain responsible for the content they provide.

Due to manifold links between the retrieval results, navigation in the file is considerably enhanced: knowing an author's name, one can click through to his personal list of publications. Starting with a journal title, one can click to the table of contents, or the annual index of that journal, -- everything is clickable.

Similarity scanning of titles is a capability of this portal supporting a searching strategy specifically geared to the information needs of scientists.

Semantic Tools

The semantic tools that have been developed for the SemIPort project are efficient searching aids:

• The SemIPort component named 'Recommender' can serve as a relevance ranking tool. It re-arranges the list of hits with respect to a defined working context, so that the resulting re-arranged list shows the top-down relevance ranking.
  
• The working context is generated with the 'Document Manager' tool.
  
• The 'Query Refinement' tool is a method to optimize the original query by adding relevant, suitable search terms.
  
• The 'database browser' is a tool permitting browsing through the referral database , as well as graphical visualization of the retrieved information.
  
• Another semantic tool, although invisible to the end user, is the ontology-based database crawler, ( 'Metis'), which collects internet sites about certain subject fields.

Full-text Supply

Full-text supply is the critical step in the process of information supply. In order to create a seamless link from database search results to a full-text delivery service, io-port.net supports the usage of the user’s own link servers. Users who do not have a link server may use FIZ Karlsruhe’s broker service for document delivery,FIZ AutoDoc, which has been integrated in io-port.net.
Local full-text documents available on io-port.net will be the LNI series, (Lecture Notes in Informatics), of the German Informatics Society, and the EMISA FORUM. Those full texts are also retrievable via searches in the referral databases, or by browsing the library holdings.

Digital Library

Under the heading 'Digital Library' the portal offers information services which are not contained in databases:

• Informatics thesaurus of the German Informatics Society
  
• electronic journals, full-text issues. Currently searchable products are: the series of the Lecture Notes in Informatics, the EMISA Forum. Further journals will be added :
  the series of the Lecture Notes in Informatics, the EMISA Forum. Further journals will be added.
  
• managed and edited subject pages covering topical research fields; a service awaiting enhancement.
  
• Link lists on informatics and related subject fields, as for example: research and university teaching, open source software, etc.
  
• Publication lists of authors and institutes (work in progress)