| 2024 | EDBT | Efficient Semantic Similarity Search over Spatio-textual Data. | George S. Theodoropoulos, Kjetil Nrvg, Christos Doulkeridis |
| 2023 | ADBIS | Diversification of Top-k Geosocial Queries. | Hassan Abedi Firouzjaei, Dhruv Gupta, Kjetil Nrvg |
| 2022 | DaWaK | On Decisive Skyline Queries. | Akrivi Vlachou, Christos Doulkeridis, Joo B. Rocha-Junior, Kjetil Nrvg |
| 2020 | ADBIS | Fast and Accurate Group Outlier Detection for Trajectory Data. | Youcef Djenouri, Kjetil Nrvg, Heri Ramampiaro, Jerry Chun-Wei Lin |
| 2020 | CIKM | Diversifying Top-k Point-of-Interest Queries via Collective Social Reach. | Stella Maropaki, Sean Chester, Christos Doulkeridis, Kjetil Nrvg |
| 2020 | ICDE | Multiple Dense Subtensor Estimation with High Density Guarantee. | Quang-Huy Duong, Heri Ramampiaro, Kjetil Nrvg |
| 2019 | CIKM | Sketching Streaming Histogram Elements using Multiple Weighted Factors. | Quang-Huy Duong, Heri Ramampiaro, Kjetil Nrvg |
| 2019 | ICDE | Highly Efficient Pattern Mining Based on Transaction Decomposition. | Youcef Djenouri, Jerry Chun-Wei Lin, Kjetil Nrvg, Heri Ramampiaro |
| 2018 | AAAI | On Validation and Predictability of Digital Badges' Influence on Individual Users. | Tomasz Kusmierczyk, Kjetil Nrvg |
| 2018 | ECIR | Spatial Statistics of Term Co-occurrences for Location Prediction of Tweets. | Ozer Ozdikis, Heri Ramampiaro, Kjetil Nrvg |
| 2018 | SIGIR | Locality-adapted Kernel Densities for Tweet Localization. | Ozer Ozdikis, Heri Ramampiaro, Kjetil Nrvg |
| 2017 | WSDM | Anticipating Information Needs Based on Check-in Activity. | Jan R. Benetka, Krisztian Balog, Kjetil Nrvg |
| 2016 | CIKM | Online Food Recipe Title Semantics: Combining Nutrient Facts and Topics. | Tomasz Kusmierczyk, Kjetil Nrvg |
| 2016 | EDBT | Top-k Dominating Queries, in Parallel, in Memory. | Sean Chester, Orestis Gkorgkas, Kjetil Nrvg |
| 2015 | DASFAA | Mining Correlations on Massive Bursty Time Series Collections. | Tomasz Kusmierczyk, Kjetil Nrvg |
| 2015 | ECIR | IR Game: How well do you Know Information Retrieval Papers? | Jan Rybak, Krisztian Balog, Kjetil Nrvg |
| 2015 | EDBT | Finding the Most Diverse Products using Preference Queries. | Orestis Gkorgkas, Akrivi Vlachou, Christos Doulkeridis, Kjetil Nrvg |
| 2015 | RecSys | Good Times Bad Times: A Study on Recency Effects in Collaborative Filtering for Social Tagging. | Santiago Larrain, Christoph Trattner, Denis Parra, Eduardo Graells-Garrido, Kjetil Nrvg |
| 2015 | WWW | Temporality in Online Food Recipe Consumption and Production. | Tomasz Kusmierczyk, Christoph Trattner, Kjetil Nrvg |
| 2015 | WWW | Temporal Patterns in Online Food Innovation. | Tomasz Kusmierczyk, Christoph Trattner, Kjetil Nrvg |
| 2014 | DASFAA | APSkyline: Improved Skyline Computation for Multicore Architectures. | Stian Liknes, Akrivi Vlachou, Christos Doulkeridis, Kjetil Nrvg |
| 2014 | ECIR | Temporal Expertise Profiling. | Jan Rybak, Krisztian Balog, Kjetil Nrvg |
| 2014 | SIGIR | A burstiness-aware approach for document dating. | Dimitrios Kotsakos, Theodoros Lappas, Dimitrios Kotzias, Dimitrios Gunopulos, Nattiya Kanhabua, Kjetil Nrvg |
| 2014 | SIGIR | ExperTime: tracking expertise over time. | Jan Rybak, Krisztian Balog, Kjetil Nrvg |
| 2014 | SSDBM | Efficient processing of exploratory top-k joins. | Orestis Gkorgkas, Akrivi Vlachou, Christos Doulkeridis, Kjetil Nrvg |
| 2013 | ADBIS | A Framework for Grouping and Summarizing Keyword Search Results. | Orestis Gkorgkas, Kostas Stefanidis, Kjetil Nrvg |
| 2013 | CICLING | Temporal Classifiers for Predicting the Expansion of Medical Subject Headings. | George Tsatsaronis, Iraklis Varlamis, Nattiya Kanhabua, Kjetil Nrvg |
| 2013 | KDD | On community detection in real-world networks and the importance of degree assortativity. | Marek Ciglan, Michal Laclavik, Kjetil Nrvg |
| 2013 | SIGMOD | Branch-and-bound algorithm for reverse top-k queries. | Akrivi Vlachou, Christos Doulkeridis, Kjetil Nrvg, Yannis Kotidis |
| 2012 | CIKM | On the use of semantic knowledge bases for temporally-aware entity retrieval. | Krisztian Balog, Kjetil Nrvg |
| 2012 | CIKM | Learning to rank search results for time-sensitive queries. | Nattiya Kanhabua, Kjetil Nrvg |
| 2012 | CIKM | Estimating query difficulty for news prediction retrieval. | Nattiya Kanhabua, Kjetil Nrvg |
| 2012 | CIKM | SemaFor: semantic document indexing using semantic forests. | George Tsatsaronis, Iraklis Varlamis, Kjetil Nrvg |
| 2012 | DASFAA | gRecs: A Group Recommendation System Based on User Clustering. | Irene Ntoutsi, Kostas Stefanidis, Kjetil Nrvg, Hans-Peter Kriegel |
| 2012 | DEXA | A Framework for Time-Aware Recommendations. | Kostas Stefanidis, Irene Ntoutsi, Kjetil Nrvg, Hans-Peter Kriegel |
| 2012 | ECIR | On the Modeling of Entities for Ad-Hoc Entity Search in the Web of Data. | Robert Neumayer, Krisztian Balog, Kjetil Nrvg |
| 2012 | ECIR | When Simple is (more than) Good Enough: Effective Semantic Search with (almost) no Semantics. | Robert Neumayer, Krisztian Balog, Kjetil Nrvg |
| 2012 | EDBT | Top-k spatial keyword queries on road networks. | Joo B. Rocha-Junior, Kjetil Nrvg |
| 2012 | ER | Fast Group Recommendations by Applying User Clustering. | Eirini Ntoutsi, Kostas Stefanidis, Kjetil Nrvg, Hans-Peter Kriegel |
| 2012 | ER | Contextual Recommendations for Groups. | Kostas Stefanidis, Nafiseh Shabib, Kjetil Nrvg, John Krogstie |
| 2012 | ICDE | Processing of Rank Joins in Highly Distributed Systems. | Christos Doulkeridis, Akrivi Vlachou, Kjetil Nrvg, Yannis Kotidis, Neoklis Polyzotis |
| 2012 | IIWAS | A study of opinion mining and visualization of hotel reviews. | Eivind Bjrkelund, Thomas H. Burnett, Kjetil Nrvg |
| 2012 | WWW | The SemSets model for ad-hoc semantic list search. | Marek Ciglan, Kjetil Nrvg, Ladislav Hluch |
| 2012 | SIGIR | Learning to select a time-aware retrieval model. | Nattiya Kanhabua, Klaus Berberich, Kjetil Nrvg |
| 2012 | SPIRE | Collection Ranking and Selection for Federated Entity Search. | Krisztian Balog, Robert Neumayer, Kjetil Nrvg |
| 2011 | DASFAA | Efficient Distributed Top- | Norvald H. Ryeng, Akrivi Vlachou, Christos Doulkeridis, Kjetil Nrvg |
| 2011 | ECIR | Combination of Feature Selection Methods for Text Categorisation. | Robert Neumayer, Rudolf Mayer, Kjetil Nrvg |
| 2011 | EDBT | Efficient execution plans for distributed skyline query processing. | Joo B. Rocha-Junior, Akrivi Vlachou, Christos Doulkeridis, Kjetil Nrvg |
| 2011 | ISMIS | Evaluation of Feature Combination Approaches for Text Categorisation. | Robert Neumayer, Kjetil Nrvg |
| 2011 | SAC | Site-autonomous distributed semantic caching. | Norvald H. Ryeng, Jon Olav Hauglid, Kjetil Nrvg |
| 2011 | SIGIR | Time-based query performance predictors. | Nattiya Kanhabua, Kjetil Nrvg |
| 2011 | SIGIR | A comparison of time-aware ranking methods. | Nattiya Kanhabua, Kjetil Nrvg |
| 2010 | AINA | Extracting Named Entities and Synonyms from Wikipedia. | Christian Bohn, Kjetil Nrvg |
| 2010 | APWEB | Learning to Find Interesting Connections in Wikipedia. | Marek Ciglan, Etienne Rivire, Kjetil Nrvg |
| 2010 | CICLING | An Experimental Study on Unsupervised Graph-based Word Sense Disambiguation. | George Tsatsaronis, Iraklis Varlamis, Kjetil Nrvg |
| 2010 | CIKM | WikiPop: personalized event detection system based on Wikipedia page view statistics. | Marek Ciglan, Kjetil Nrvg |
| 2010 | CIKM | On the selectivity of multidimensional routing indices. | Christos Doulkeridis, Akrivi Vlachou, Kjetil Nrvg, Yannis Kotidis, Michalis Vazirgiannis |
| 2010 | COLING | SemanticRank: Ranking Keywords and Sentences Using Semantic Graphs. | George Tsatsaronis, Iraklis Varlamis, Kjetil Nrvg |
| 2010 | DASFAA | SGDB - Simple Graph Database Optimized for Activation Spreading Computation. | Marek Ciglan, Kjetil Nrvg |
| 2010 | ICDE | Reverse top-k queries. | Akrivi Vlachou, Christos Doulkeridis, Yannis Kotidis, Kjetil Nrvg |
| 2010 | ICDM | K-AP: Generating Specified K Clusters by Efficient Affinity Propagation. | Xiangliang Zhang, Wei Wang, Kjetil Nrvg, Michle Sebag |
| 2010 | WISE | Fast Detection of Size-Constrained Communities in Large Networks. | Marek Ciglan, Kjetil Nrvg |
| 2009 | CICLING | Semantic-Based Temporal Text-Rule Mining. | Kjetil Nrvg, Ole Kristian Fivelstad |
| 2009 | CIKM | Multidimensional routing indices for efficient distributed query processing. | Christos Doulkeridis, Akrivi Vlachou, Kjetil Nrvg, Yannis Kotidis, Michalis Vazirgiannis |
| 2009 | ICDE | Efficient and Robust Database Support for Data-Intensive Applications in Dynamic Environments. | Jon Olav Hauglid, Kjetil Nrvg, Norvald H. Ryeng |
| 2009 | WISE | Aggregation of Document Frequencies in Unstructured P2P Networks. | Robert Neumayer, Christos Doulkeridis, Kjetil Nrvg |
| 2008 | CIKM | Peer-to-peer similarity search over widely distributed document collections. | Christos Doulkeridis, Kjetil Nrvg, Michalis Vazirgiannis |
| 2008 | CIKM | PROQID: partial restarts of queries in distributed databases. | Jon Olav Hauglid, Kjetil Nrvg |
| 2008 | ICDE | Skyline-based Peer-to-Peer Top-k Query Processing. | Akrivi Vlachou, Christos Doulkeridis, Kjetil Nrvg, Michalis Vazirgiannis |
| 2008 | IDEAS | Robust aggregation in peer-to-peer database systems. | Norvald H. Ryeng, Kjetil Nrvg |
| 2008 | SIGMOD | On efficient top-k query processing in highly distributed environments. | Akrivi Vlachou, Christos Doulkeridis, Kjetil Nrvg, Michalis Vazirgiannis |
| 2006 | ISMIS | Mining Association Rules in Temporal Document Collections. | Kjetil Nrvg, Trond ivind Eriksen, Kjell-Inge Skogstad |
| 2006 | WWW | The SOWES approach to P2P web search using semantic overlays. | Christos Doulkeridis, Kjetil Nrvg, Michalis Vazirgiannis |
| 2006 | TIME | DyST: Dynamic and Scalable Temporal Text Indexing. | Kjetil Nrvg, Albert Overskeid Nyb |
| 2005 | DASFAA | Improving Space-Efficiency in Temporal Text-Indexing. | Kjetil Nrvg, Albert Overskeid Nyb |
| 2003 | IDEAS | V2: A Database Approach to Temporal Document Management. | Kjetil Nrvg |
| 2003 | WWW | The V2 Temporal Document Database System. | Kjetil Nrvg |
| 2002 | SAC | Temporal query operators in XML databases. | Kjetil Nrvg |
| 2001 | ADBIS | Object and Log Management in Temporal Log-Only Object Database Systems. | Kjetil Nrvg |
| 2000 | ADBIS | Main-Memory Management in Temporal Object Database Systems. | Kjetil Nrvg |
| 2000 | ADBIS | Design Issues in Transaction-Time Temporal Object Database Systems. | Kjetil Nrvg |
| 2000 | CIKM | A Comparative Study of Log-Only and In-Place Update Based Temporal Object Database Systems. | Kjetil Nrvg |
| 2000 | IDEAS | The Vagabond Temporal OID Index: An Index Structure for OID Indexing in Temporal Object Database Systems. | Kjetil Nrvg |
| 2000 | SSDBM | A Performance Evaluation of Log-Only Temporal Object Database Systems. | Kjetil Nrvg |
| 1999 | ADBIS | Efficient Use of Signatures in Object-Oriented Database Systems. | Kjetil Nrvg |
| 1999 | VLDB | The Persistent Cache: Improving OID Indexing in Temporal Object-Oriented Database Systems. | Kjetil Nrvg |
| 1998 | DEXA | An Analytical Study of Object Identifier Indexing. | Kjetil Nrvg, Kjell Bratbergsengen |
| 1997 | ADBIS | Concurrency Control in Distributed Object-Oriented Database Systems. | Kjetil Nrvg, Olav Sandst, Kjell Bratbergsengen |