Sigfrid
Lundberg´s
Stuff

1998

Sigfrid Lundberg's Stuff

A regional distributed WWW search and indexing service - the DESIRE way
In an attempt to implement a regional search engine we have created an open, metadata aware system for distributed, collaborative WWW-indexing. The system has three main components: a harvester (for collecting information), a database (for making the collection searchable), and a user interface (for making the information available). All components can be distributed across networked computers, thus supporting scalability. The system is metadata aware and thus allows searches on several fields including title, document author, and URL. Nordic Web Index (NWI) is an application using this system to create a regional Nordic web-indexing service. NWI is built using five collaborating service points within the Nordic countries. The NWI databases can be used to build additional services. Services today include special metadata databases, multimedia databases, and statistics about the Nordic Web.
Web indexing, Harvesting, Metadata, Z39.50, 1998

En arkitektur för ett distribuerat system för spridning av forskningsinformation
Arkitekturen för ett nätverk av tjänster för spridning av forskningsinformation beskrivs. Nätverket tillåter distribuerat underhåll av såväl data som metadata. Till nätverket kan anslutas såväl bibliografiska databaser som helt WWWbaserade metadataberikade tjänster. Metadataproduktionen följer standarden Dublin Core. De förra typerna av tjänster inkorporeras i nätverket genom interoperabilitet på sökprotokollsnivå, medan metadata och fulltext från de senare göres sökbara genom en WWWrobot. Kommunikation inom nätverket utnyttjar standardiserade Internet protokoll som HTTP, och för informationsåtervinning Z39.50
Web indexing, Harvesting, Metadata, Z39.50, 1998

NWI II, An Enhanced Nordic Web index: Final report
The Nordic Web Index (NWI) project is a collaborative effort across the Nordic countries, aiming at providing a free Worldwide Web search service to the general public in the countries involved. NWI has been fruitful for several reasons: First and foremost we are today providing access to databases covering the WWW in four of the Nordic countries and, as of September 1998, five service points in six languages Denmark, Finland, Sweden, Norway and Iceland.
Web indexing, Harvesting, Metadata, Z39.50, 1998

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NB

My name is Sigfrid Lundberg. The stuff I publish here may, or may not, be of interest for anyone else.

On this site there is material on photography, music, literature and other stuff I enjoy in life. However, most of it is related to my profession as an Internet programmer and software developer within the area of digital libraries at the Royal Library, Copenhagen (Denmark) and, before that, Lund university (Sweden).

The content here does not reflect the views of my past or present employers