Stephen Alstrup
Professor
- 2022
- Published
Constructing light spanners deterministically in near-linear time
Alstrup, Stephen, Dahlgaard, S., Filtser, A., Stöckel, M. & Wulff-Nilsen, Christian, 12 Mar 2022, In: Theoretical Computer Science. 907, p. 82-112Research output: Contribution to journal › Journal article › Research › peer-review
- 2021
- Published
Unsupervised multi-index semantic hashing
Hansen, C., Hansen, C., Simonsen, Jakob Grue, Alstrup, Stephen & Lioma, Christina, 2021, The Web Conference 2021 - Proceedings of the World Wide Web Conference, WWW 2021. Association for Computing Machinery, Inc, p. 2879-2889 (The Web Conference 2021 - Proceedings of the World Wide Web Conference, WWW 2021).Research output: Chapter in Book/Report/Conference proceeding › Article in proceedings › Research › peer-review
- 2020
- Published
Content-aware Neural Hashing for Cold-start Recommendation
Hansen, C., Hansan, C., Simonsen, Jakob Grue, Alstrup, Stephen & Lioma, Christina, 2020, SIGIR 2020 - Proceedings of the 43rd International ACM SIGIR Conference on Research and Development in Information Retrieval. Association for Computing Machinery, p. 971-980 10 p.Research output: Chapter in Book/Report/Conference proceeding › Article in proceedings › Research › peer-review
- Published
Factuality Checking in News Headlines with Eye Tracking
Hansen, C., Hansen, C., Simonsen, Jakob Grue, Larsen, B., Alstrup, Stephen & Lioma, Christina, 2020, SIGIR 2020 - Proceedings of the 43rd International ACM SIGIR Conference on Research and Development in Information Retrieval. Association for Computing Machinery, p. 2013-2016 4 p.Research output: Chapter in Book/Report/Conference proceeding › Article in proceedings › Research › peer-review
- Published
Near-optimal induced universal graphs for cycles and paths
Abrahamsen, Mikkel, Alstrup, Stephen, Holm, Jacob, Knudsen, M. B. T. & Stöckel, M., 2020, In: Discrete Applied Mathematics. 282, p. 1-13 13 p.Research output: Contribution to journal › Journal article › Research › peer-review
- Published
Unsupervised Semantic Hashing with Pairwise Reconstruction
Hansen, C., Hansen, C., Simonsen, Jakob Grue, Alstrup, Stephen & Lioma, Christina, 2020, SIGIR 2020 - Proceedings of the 43rd International ACM SIGIR Conference on Research and Development in Information Retrieval. Association for Computing Machinery, p. 2009-2012 4 p.Research output: Chapter in Book/Report/Conference proceeding › Article in proceedings › Research › peer-review
- 2019
- Published
Contextually propagated term weights for document representation
Hansen, C., Hansen, C., Alstrup, Stephen, Simonsen, Jakob Grue & Lioma, Christina, 18 Jul 2019, SIGIR 2019 - Proceedings of the 42nd International ACM SIGIR Conference on Research and Development in Information Retrieval. Association for Computing Machinery, p. 897-900 (SIGIR 2019 - Proceedings of the 42nd International ACM SIGIR Conference on Research and Development in Information Retrieval).Research output: Chapter in Book/Report/Conference proceeding › Article in proceedings › Research › peer-review
- Published
Adjacency Labeling Schemes and Induced-Universal Graphs
Alstrup, Stephen, Kaplan, H., Thorup, Mikkel & Zwick, U., 2019, In: SIAM Journal on Discrete Mathematics. 33, 1, p. 116-137Research output: Contribution to journal › Journal article › Research › peer-review
- Published
Constructing light spanners deterministically in near-linear time
Alstrup, Stephen, Dahlgaard, S., Filtser, A., Stöckel, M. & Wulff-Nilsen, Christian, 2019, 27th Annual European Symposium on Algorithms, ESA 2019. Bender, M. A., Svensson, O. & Herman, G. (eds.). Schloss Dagstuhl- Leibniz-Zentrum fur Informatik GmbH, Dagstuhl Publishing, 15 p. 4. (Leibniz International Proceedings in Informatics, LIPIcs, Vol. 144).Research output: Chapter in Book/Report/Conference proceeding › Article in proceedings › Research › peer-review
- Published
Detecting ghostwriters in high schools
Stavngaard, M., Sørensen, A., Lorenzen, S., Hjuler, N. & Alstrup, Stephen, 2019, ESANN 2019 - Proceedings, 27th European Symposium on Artificial Neural Networks, Computational Intelligence and Machine Learning. ESANN (i6doc.com), p. 197-202 6 p. (ESANN 2019 - Proceedings, 27th European Symposium on Artificial Neural Networks, Computational Intelligence and Machine Learning).Research output: Chapter in Book/Report/Conference proceeding › Article in proceedings › Research › peer-review
- Published
Investigating Writing Style Development in High School
Lorenzen, S. S., Hjuler, N. O. D. & Alstrup, Stephen, 2019, Proceedings of The 12th International Conference on Educational Data Mining (EDM 2019). Université du Québec à Montréal, p. 572-575Research output: Chapter in Book/Report/Conference proceeding › Article in proceedings › Research › peer-review
- Published
Modelling End-of-Session Actions in Educational Systems
Hansen, C., Hansen, C., Alstrup, Stephen & Lioma, Christina, 2019, Proceedings of The 12th International Conference on Educational Data Mining (EDM 2019). Université du Québec à Montréal, p. 306-311Research output: Chapter in Book/Report/Conference proceeding › Article in proceedings › Research › peer-review
- Published
Modelling Sequential Music Track Skips using a Multi-RNN Approach
Hansen, C., Hansen, C., Alstrup, Stephen, Simonsen, Jakob Grue & Lioma, Christina, 2019, WSDM '19: Proceedings of the Twelfth ACM International Conference on Web Search and Data Mining. Association for Computing Machinery, 4 p.Research output: Chapter in Book/Report/Conference proceeding › Article in proceedings › Research › peer-review
- Published
Neural check-worthiness ranking with weak supervision: Finding sentences for fact-checking
Hansen, C., Hansen, C., Alstrup, Stephen, Simonsen, Jakob Grue & Lioma, Christina, 2019, The Web Conference 2019 - Companion of the World Wide Web Conference, WWW 2019. Association for Computing Machinery, p. 994-1000 7 p.Research output: Chapter in Book/Report/Conference proceeding › Article in proceedings › Research › peer-review
- Published
Neural speed reading with structural-jump-LSTM
Hansen, C., Hansen, C., Alstrup, Stephen, Simonsen, Jakob Grue & Lioma, Christina, 2019.Research output: Contribution to conference › Paper › Research › peer-review
- Published
Unsupervised neural generative semantic hashing
Hansen, C., Hansen, C., Simonsen, Jakob Grue, Alstrup, Stephen & Lioma, Christina, 2019, SIGIR 2019 - Proceedings of the 42nd International ACM SIGIR Conference on Research and Development in Information Retrieval. Association for Computing Machinery, p. 735-744 10 p.Research output: Chapter in Book/Report/Conference proceeding › Article in proceedings › Research › peer-review
- 2018
- Published
A Hamiltonian Cycle in the Square of a 2-connected Graph in Linear Time
Alstrup, Stephen, Georgakopoulos, A., Rotenberg, E. & Thomassen, C., 2018, Proceedings of the Annual ACM-SIAM Symposium on Discrete Algorithms. Czumaj, A. (ed.). Society for Industrial and Applied Mathematics, p. 1645-1649Research output: Chapter in Book/Report/Conference proceeding › Article in proceedings › Research › peer-review
- Published
Tracking behavioral patterns among students in an online educational system
Lorenzen, S., Hjuler, N. & Alstrup, Stephen, 2018, Proceedings of the 11'th International Conference on Educational Data Mining. EDM / Educational Data Mining, p. 280-285Research output: Chapter in Book/Report/Conference proceeding › Article in proceedings › Research › peer-review
- 2017
- Published
On predicting student performance using low-rank matrix factorization techniques
Lorenzen, S. S., Pham, D. N. & Alstrup, Stephen, Oct 2017, ECEL17 - Proceedings of the 16th European Conference on e-Learning. Peres, P. & Mesquita, A. (eds.). Academic Conferences and Publishing International, p. 326-334 9 p.Research output: Chapter in Book/Report/Conference proceeding › Article in proceedings › Research › peer-review
- Published
Optimal induced universal graphs and adjacency labeling for trees
Alstrup, Stephen, Dahlgaard, S. & Knudsen, M. B. T., Sep 2017, In: Journal of the ACM. 64, 4, 22 p., 27.Research output: Contribution to journal › Journal article › Research › peer-review
- Published
Sequence Modeling for Analysing Student Interaction with Educational Systems
Hansen, C., Hansen, C., Hjuler, N. O. D., Alstrup, Stephen & Lioma, Christina, 25 Jun 2017, Proceedings of the 10th International Conference on Educational Data Mining, EDM 2017, Wuhan, Hubei, China, June 25-28, 2017. Hu, X., Barnes, T., Hershkovitz, A. & Paquette, L. (eds.). International Educational Data Mining Society (IEDMS), p. 232-237 (Proceedings of the 10th International Conference on Educational Data Mining, EDM 2017, Wuhan, Hubei, China, June 25 – 28, 2017).Research output: Chapter in Book/Report/Conference proceeding › Article in proceedings › Research › peer-review
- Published
DABAI: A data driven project for e-Learning in Denmark
Alstrup, Stephen, Hansen, C., Hansen, C., Hjuler, N., Lorenzen, S. & Pham, N., 1 Jan 2017, ECEL17 - Proceedings of the 16th European Conference on e-Learning. Peres, P. & Mesquita, A. (eds.). Academic Conferences and Publishing International, p. 18-24 7 p.Research output: Chapter in Book/Report/Conference proceeding › Article in proceedings › Research › peer-review
- Published
Near-Optimal Induced Universal Graphs for Bounded Degree Graphs
Abrahamsen, Mikkel, Alstrup, Stephen, Holm, Jacob, Knudsen, M. B. T. & Stöckel, M., 2017, 44th International Colloquium on Automata, Languages, and Programming (ICALP 201. Chatzigiannaki, I., Indyk, P., Kuhn, F. & Muscholl, A. (eds.). Schloss Dagstuhl - Leibniz-Zentrum für Informatik, p. 1-14 128. (Leibniz International Proceedings in Informatics (LIPIcs), Vol. 80).Research output: Chapter in Book/Report/Conference proceeding › Article in proceedings › Research › peer-review
- Published
Smart city analytics: ensemble-learned prediction of citizen home care
Hansen, C., Hansen, C., Alstrup, Stephen & Lioma, Christina, 2017, Proceedings of the 2017 ACM Conference on Information and Knowledge Management. Association for Computing Machinery, p. 2095-2098 4 p.Research output: Chapter in Book/Report/Conference proceeding › Article in proceedings › Research › peer-review
- 2016
- Published
800.000 gode grunde til datalogi i skolen
Alstrup, Stephen, Madsen, O. L. & Rootzen, H., 21 Apr 2016, In: Berlingske Tidende. p. 31 1 p.Research output: Contribution to journal › Contribution to newspaper - Comment/debate › Communication
- Published
Distance labeling schemes for trees
Alstrup, Stephen, Gørtz, I. L., Halvorsen, E. B. & Porat, E., 2016, 43rd International Colloquium on Automata, Languages, and Programming (ICALP 2016). Schloss Dagstuhl - Leibniz-Zentrum für Informatik, 16 p. 132. (Leibniz International Proceedings in Informatics, Vol. 55).Research output: Chapter in Book/Report/Conference proceeding › Article in proceedings › Research › peer-review
- Published
Possibilities and barriers for e-learning in primary school in Denmark
Alstrup, Stephen & Rootzen, H., 2016, Proceedings of the 15th European Conference on e-Learning. Novotná, J. & Jancarík, A. (eds.). Academic Conferences and Publishing International, p. 18-24 7 p.Research output: Chapter in Book/Report/Conference proceeding › Article in proceedings › Research › peer-review
- Published
Simpler, faster and shorter labels for distances in graphs
Alstrup, Stephen, Gavoille, C., Halvorsen, E. B. & Petersen, H., 2016, Proceedings of the Twenty-Seventh Annual ACM-SIAM Symposium on Discrete Algorithms. Society for Industrial and Applied Mathematics, p. 338-350 13 p.Research output: Chapter in Book/Report/Conference proceeding › Article in proceedings › Research › peer-review
- Published
Sublinear distance labeling
Alstrup, Stephen, Dahlgaard, S., Knudsen, M. B. T. & Porat, E., 2016, 24th Annual European Symposium on Algorithms (ESA 2016). Sankowski, P. & Zaroliagis, C. (eds.). Schloss Dagstuhl - Leibniz-Zentrum für Informatik, 15 p. 5. (Leibniz International Proceedings in Informatics, Vol. 57).Research output: Chapter in Book/Report/Conference proceeding › Article in proceedings › Research › peer-review
- 2015
- Published
Adjacency labeling schemes and induced-universal graphs
Alstrup, Stephen, Kaplan, H., Thorup, Mikkel & Zwick, U., 2015, Proceedings of the Forty-Seventh Annual ACM on Symposium on Theory of Computing, STOC 2015, Portland, OR, USA, June 14-17, 2015: STOC '15. Association for Computing Machinery, p. 625-634 10 p.Research output: Chapter in Book/Report/Conference proceeding › Article in proceedings › Research › peer-review
- Published
High-school dropout prediction using machine learning: a Danish large-scale study
Şara, N., Halland, R., Igel, Christian & Alstrup, Stephen, 2015, Proceedings. ESANN 2015: 23rd European Symposium on Artificial Neural Networks, Computational Intelligence and Machine Learning. Verleysen, M. (ed.). i6doc.com, p. 319-324 6 p.Research output: Chapter in Book/Report/Conference proceeding › Article in proceedings › Research › peer-review
- Published
Optimal induced universal graphs and adjacency labeling for trees
Alstrup, Stephen, Dahlgaard, S. & Knudsen, M. B. T., 2015, 2015 IEEE 56th Annual Symposium on Foundations of Computer Science (FOCS). IEEE, p. 1311-1326 16 p. (Symposium on Foundations of Computer Science. Annual Proceedings).Research output: Chapter in Book/Report/Conference proceeding › Article in proceedings › Research › peer-review
- 2014
- Published
Danmark: et digitalt uland?
Alstrup, Stephen, 21 Oct 2014Research output: Other contribution › Net publication - Internet publication › Communication
- Published
Danish cross-disciplinary consortium with a focus on utilizing IT in schools: results and future directions
Alstrup, Stephen, 2014. 1 p.Research output: Contribution to conference › Conference abstract for conference › Research › peer-review
- Published
Near-optimal labeling schemes for nearest common ancestors
Alstrup, Stephen, Halvorsen, E. B. & Larsen, K. G., 2014, Proceedings of the Twenty-Fifth Annual ACM-SIAM Symposium on Discrete Algorithms . Chekuri, C. (ed.). Society for Industrial and Applied Mathematics, p. 972-982 11 p.Research output: Chapter in Book/Report/Conference proceeding › Article in proceedings › Research › peer-review
- Published
Temporal context for authorship attribution: a study of Danish secondary schools
Hansen, N. D., Lioma, Christina, Larsen, B. & Alstrup, Stephen, 2014, Multidisciplinary information retrieval: 7th Information Retrieval Facility Conference, IRFC 2014, Copenhagen, Denmark, November 10-12, 2014, Proceedings. Lamas, D. & Buitelaar, P. (eds.). Springer, p. 22-40 19 p. (Lecture notes in computer science, Vol. 8849).Research output: Chapter in Book/Report/Conference proceeding › Article in proceedings › Research › peer-review
- Published
Union-find with constant time deletions
Alstrup, Stephen, Thorup, Mikkel, Gørtz, I. L., Rauhe, T. & Zwick, U., 2014, In: A C M Transactions on Algorithms. 11, 1, 28 p., 6.Research output: Contribution to journal › Journal article › Research › peer-review
- 2011
Video consumption dramatically outpaces Internet capacity: exploration, challenges and solutions
Alstrup, Stephen, Rauhe, T. & Brown, S., 2011, In: EBU Technical Review. 14 p.Research output: Contribution to journal › Journal article › Research
- 2009
- Published
Distribution method, preferably applied in a streaming system
Alstrup, Stephen & Rauhe, T., 1 Aug 2009Research output: Patent
- 2007
- Published
PEER OF A PEER-TO-PEER NETWORK AND SUCH NETWORK
Alstrup, Stephen & Rauhe, T., 1 Mar 2007Research output: Patent
- 2006
- Published
Compact labeling scheme for ancestor queries
Abiteboul, S., Alstrup, Stephen, Kaplan, H., Milo, T. & Rauhe, T., 2006, In: SIAM Journal on Computing. 35, 6, p. 1295-1309 15 p.Research output: Contribution to journal › Journal article › Research › peer-review
- Published
How P2P technology can change broadcasting as we know it
Alstrup, Stephen & Rauhe, T., 2006, The International Broadcasting Convention, IBC.Research output: Chapter in Book/Report/Conference proceeding › Book chapter › Research › peer-review
- 2005
- Published
Data live streaming system e.g. for music, has input broadcaster and several peers each generating loss resilient code representations of data from input broadcaster
Alstrup, Stephen & Rauhe, T., 29 Sep 2005, IPC No. H04L-029/06, Patent No. WO2005091585-A1, 29 Sep 2005, Priority date 22 Mar 2004, Priority No. WODK000197Research output: Patent
Black box for constant-time insertion in priority queues (note)
Alstrup, Stephen, Husfeldt, T., Rauhe, T. & Thorup, Mikkel, 2005, In: ACM Transactions on Algorithms (TALG). 1, 1, p. 102-106 5 p.Research output: Contribution to journal › Journal article › Research › peer-review
- Published
Introducing Octoshape-a new technology for largescale streaming over the Internet
Alstrup, Stephen & Rauhe, T., 2005, In: EBU Technical Review. 303Research output: Contribution to journal › Journal article › Research › peer-review
- Published
Labeling schemes for small distances in trees
Alstrup, Stephen, Bille, P. & Rauhe, T., 2005, In: SIAM Journal on Discrete Mathematics. 19, 2, p. 448-462 15 p.Research output: Contribution to journal › Journal article › Research › peer-review
Maintaining information in fully dynamic trees with top trees
Alstrup, Stephen, Holm, J., Lichtenberg, K. D. & Thorup, Mikkel, 2005, In: ACM Transactions on Algorithms (TALG). 1, 2, p. 243-264 22 p.Research output: Contribution to journal › Journal article › Research › peer-review
- Published
Union-find with constant time deletions
Alstrup, Stephen, Gørtz, I. L., Rauhe, T., Thorup, Mikkel & Zwick, U., 2005, Automata, Languages and Programming (ICALP). Springer, p. 78-89 12 p.Research output: Chapter in Book/Report/Conference proceeding › Article in proceedings › Research › peer-review
- 2004
- Published
Dynamic nested brackets
Alstrup, Stephen, Husfeldt, T. & Rauhe, T., 2004, In: Information and Computation. 193, 2, p. 75-83 9 p.Research output: Contribution to journal › Journal article › Research › peer-review
- Published
Nearest common ancestors: A survey and a new algorithm for a distributed environment
Alstrup, Stephen, Gavoille, C., Kaplan, H. & Rauhe, T., 2004, In: Theory of Computing Systems. 37, 3, p. 441-456 16 p.Research output: Contribution to journal › Journal article › Research › peer-review
ID: 37604428
Most downloads
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1083
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High-school dropout prediction using machine learning: a Danish large-scale study
Research output: Chapter in Book/Report/Conference proceeding › Article in proceedings › Research › peer-review
Published -
427
downloads
Neural check-worthiness ranking with weak supervision: Finding sentences for fact-checking
Research output: Chapter in Book/Report/Conference proceeding › Article in proceedings › Research › peer-review
Published -
278
downloads
Distance labeling schemes for trees
Research output: Chapter in Book/Report/Conference proceeding › Article in proceedings › Research › peer-review
Published