World's Best Scientists 2026 revealed!

D-Index & Metrics

Computer Science

D-Index
32
Citations
4420
World Ranking
13169
National Ranking
45

Overview

Kjetil Nørvåg is affiliated with the Norwegian University of Science and Technology in Norway. Their research contributions span fields primarily within Computer Science and Social Sciences, with specific emphasis on subfields such as Signal Processing, Computer Networks and Communications, Artificial Intelligence, Sociology and Political Science, and Geography, Planning and Development.

The scientist's work addresses a variety of topics that include:

  • Data Management and Algorithms
  • Advanced Database Systems and Queries
  • Geographic Information Systems Studies
  • Time Series Analysis and Forecasting
  • Data Mining Algorithms and Applications
  • Automated Road and Building Extraction
  • Human Mobility and Location-Based Analysis

Recent publications by Kjetil Nørvåg cover multiple areas, demonstrating engagement with both algorithmic and applied research. Selected papers include:

  • Space-time series clustering: Algorithms, taxonomy, and case study on urban smart cities, 2020, Engineering Applications of Artificial Intelligence
  • Exploring Decomposition for Solving Pattern Mining Problems, 2021, ACM Transactions on Management Information Systems
  • Efficient top-k recently-frequent term querying over spatio-temporal textual streams, 2020, Information Systems
  • SMoTeF: Smurf money laundering detection using temporal order and flow analysis, 2024, Applied Intelligence
  • Decisive skyline queries for truly balancing multiple criteria, 2023, Data & Knowledge Engineering

The scholar frequently collaborates with several co-authors, including:

  • Heri Ramampiaro
  • Youcef Djenouri
  • Krisztian Balog
  • Vinay Setty
  • Jerry Chun-Wei Lin

Publications appear in recurring venues such as:

  • Engineering Applications of Artificial Intelligence
  • ACM Transactions on Management Information Systems
  • Applied Intelligence
  • Data & Knowledge Engineering
  • Information Systems

Kjetil Nørvåg has also contributed to book publications with Springer Science+Business Media, including titles:

  • Advances in Information Retrieval, 2022
  • New Trends in Database and Information Systems, 2022

Best Publications

  • A survey of large-scale analytical query processing in MapReduce

    Christos Doulkeridis;Kjetil NØrvåg

  • Efficient processing of top-k spatial keyword queries

    João B. Rocha-Junior;Orestis Gkorgkas;Simon Jonassen;Kjetil Nørvåg

  • Reverse top-k queries

    Akrivi Vlachou;Christos Doulkeridis;Yannis Kotidis;Kjetil Norvag

  • Top-k spatial keyword queries on road networks

    João B. Rocha-Junior;Kjetil Nørvåg

  • Fast group recommendations by applying user clustering

    Eirini Ntoutsi;Kostas Stefanidis;Kjetil Nørvåg;Hans-Peter Kriegel

  • A study of opinion mining and visualization of hotel reviews

    Eivind Bjørkelund;Thomas H. Burnett;Kjetil Nørvåg

  • Determining time of queries for re-ranking search results

    Nattiya Kanhabua;Kjetil Nørvåg

  • On efficient top-k query processing in highly distributed environments

    Akrivi Vlachou;Christos Doulkeridis;Kjetil Nørvåg;Michalis Vazirgiannis

  • Temporal Information Retrieval

    Nattiya Kanhabua;Roi Blanco;Kjetil Nørvåg

  • Efficient high utility itemset mining using buffered utility-lists

    Quang-Huy Duong;Philippe Fournier-Viger;Heri Ramampiaro;Kjetil NØrvåg

  • Efficient processing of top-k spatial preference queries

    João B. Rocha-Junior;Akrivi Vlachou;Christos Doulkeridis;Kjetil Nørvåg

  • DESENT: decentralized and distributed semantic overlay generation in P2P networks

    C. Doulkeridis;K. Norvag;M. Vazirgiannis

  • Monochromatic and Bichromatic Reverse Top-k Queries

    A Vlachou;C Doulkeridis;Y Kotidis;K Norvag

  • Improving Temporal Language Models for Determining Time of Non-timestamped Documents

    Nattiya Kanhabua;Kjetil Nørvåg

  • Branch-and-bound algorithm for reverse top-k queries

    Akrivi Vlachou;Christos Doulkeridis;Kjetil Nørvåg;Yannis Kotidis

  • K-AP: Generating Specified K Clusters by Efficient Affinity Propagation

    Xiangliang Zhang;Wei Wang;Kjetil Norvag;Michele Sebag

  • DYFRAM: dynamic fragmentation and replica management in distributed database systems

    Jon Olav Hauglid;Norvald H. Ryeng;Kjetil Nørvåg

  • Identifying the most influential data objects with reverse top-k queries

    Akrivi Vlachou;Christos Doulkeridis;Kjetil Nørvåg;Yannis Kotidis

  • Multi-step classification approaches to cumulative citation recommendation

    Krisztian Balog;Heri Ramampiaro;Naimdjon Takhirov;Kjetil Nørvåg

  • On the modeling of entities for ad-hoc entity search in the web of data

    Robert Neumayer;Krisztian Balog;Kjetil Nørvåg

Frequent Co-Authors

Michalis Vazirgiannis
Michalis Vazirgiannis École Polytechnique
Krisztian Balog
Krisztian Balog University of Stavanger
Yannis Kotidis
Yannis Kotidis Athens University of Economics and Business
George Tsatsaronis
George Tsatsaronis Technical University of Berlin
Youcef Djenouri
Youcef Djenouri University of South-Eastern Norway
Hans-Peter Kriegel
Hans-Peter Kriegel Ludwig-Maximilians-Universität München
Philippe Fournier-Viger
Philippe Fournier-Viger Shenzhen University
Walid G. Aref
Walid G. Aref Purdue University West Lafayette
George C. Polyzos
George C. Polyzos Athens University of Economics and Business

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