DB group
 

NTNU Database Group

The database and distributed systems research group is part of the Department of computer and information science (IDI), which is the principal computer science department at the Norwegian University of Science and Technology (NTNU) in Trondheim, Norway. The technology part of NTNU was formerly known as the Norwegian Institute of Technology (NTH).

These web pages provide information about the people in our group, outline our present courses and present our current research activities. In addition, you can find information regarding some of our past research projects, as well as a fairly complete overview of the publications that has been produced during the years.


NEWS »Disputation João Batista Rocha-Junior

Disputation João Batista Rocha-Junior

30th of January, João Batista Rocha-Junior completed his trial lecture and thesis defense. He will eventually be awarded the PhD degree. Professor Kjetil Nørvåg supervised João's PhD work at the Data and Information Management research group. Professor Jon Atle Gulla, Adjunct Associate Professor Jon Olav Hauglid, Research Scientist Akrivi Vlachou og Post Doctoral Fellow Christos Doulkeridis have co-supervised the PhD work.

João's trial lecture was titled: Quering and Managing Social Data

He defended his PhD thesis:
Efficient Processing of Preference Queries in Distributed and Spatial Databases

Photos from the event (Flickr) by Heri Ramampiaro, Naimdjon Takhirov and Kai T. Dragland


PUBLICATIONS »5 Most Recent

Christos Doulkeridis, Akrivi Vlachou, Kjetil Nørvåg, Yannis Kotidis and Neoklis Polyzotis Processing of Rank Joins in Highly Distributed Systems Proceedings of ICDE'2012, Washington, DC, USA April 2012
Robert Neumayer, Krisztian Balog and Kjetil Nørvåg Modeling of Entities for Ad-hoc Entity Search in the Web of Data Proceedings of ECIR'2012, Barcelona, Spain April 2012
Robert Neumayer, Krisztian Balog and Kjetil Nørvåg When Simple is (more than) Good Enough: Effective Semantic Search with (almost) no Semantics (poster paper) Proceedings of ECIR'2012, Barcelona, Spain April 2012
Marek Ciglan, Kjetil Nørvåg and Ladislav Hluchý The SemSets Model for Ad-hoc Semantic List Search Proceedings of WWW'2012, Lyon, France April 2012
Irene Ntoutsi, Kostas Stefanidis, Kjetil Nørvåg and Hans-Peter Kriegel gRecs: A Group Recommendation System based on User Clustering (demo paper) Proceedings of DASFAA'2012, Busan, South Korea April 2012

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