• PL 68 (Gustaf Hällströmin katu 2b), B214

    HELSINGIN YLIOPISTO

    Finland

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2017

Engineering External Memory Induced Suffix Sorting

Kärkkäinen, J., Kempa, D., Puglisi, S. J. & Zhukova, B., 2017, 2017 Proceedings of the Ninteenth Workshop on Algorithm Engineering and Experiments (ALENEX). Fekete, S. & Ramachandran, V. (red.). Society for Industrial and Applied Mathematics, s. 98-108 11 s.

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Engineering External Memory LCP Array Construction: Parallel, In-Place and Large Alphabet

Kärkkäinen, J. & Kempa, D., 2017, 16th International Symposium on Experimental Algorithms (SEA 2017). Iliopoulos, C. S., Pissis, S. P., Puglisi, S. J. & Raman, R. (red.). Schloss Dagstuhl - Leibniz-Zentrum für Informatik, 14 s. 17. (Leibniz International Proceedings in Informatics (LIPIcs); vol. 75).

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LZ-End Parsing in Linear Time

Kempa, D. & Kosolobov, D., 2017, 25th Annual European Symposium on Algorithms (ESA 2017). Pruhs, K. & Sohler, C. (red.). Schloss Dagstuhl - Leibniz-Zentrum für Informatik, 14 s. 53. (Leibniz International Proceedings in Informatics (LIPIcs); vol. 87).

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On Suffix Tree Breadth

Badkobeh, G., Kärkkäinen, J., Puglisi, S. J. & Zhukova, B., sep 2017, String Processing and Information Retrieval: 24th International Symposium, SPIRE 2017. Palermo, Italy, September 26-29, 2017. Proceedings. Fici, G., Sciortino, M. & Venturini, R. (red.). Cham: Springer, s. 68-73 6 s. (Lecture Notes in Computer Science; vol. 10508).

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On the Size of Lempel-Ziv and Lyndon Factorizations

Kärkkäinen, J., Kempa, D., Nakashima, Y., Puglisi, S. J. & Shur, A. M., 2017, 34th Symposium on Theoretical Aspects of Computer Science (STACS 2017). Vollmer, H. & Vallée, B. (red.). Schloss Dagstuhl - Leibniz-Zentrum für Informatik, 13 s. 45. (Leibniz International Proceedings in Informatics (LIPIcs); vol. 66).

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String Inference from Longest-Common-Prefix Array

Kärkkäinen, J., Piątkowski, M. & Puglisi, S. J., 2017, 44th International Colloquium on Automata, Languages, and Programming (ICALP 2017). Chatzigiannakis, I., Indyk, P., Kuhn, F. & Muscholl, A. (red.). Schloss Dagstuhl - Leibniz-Zentrum für Informatik, 14 s. 62. (Leibniz International Proceedings in Informatics (LIPIcs); vol. 80).

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2016

Faster, Minuter

Gog, S., Kärkkäinen, J., Kempa, D., Petri, M. & Puglisi, S. J., 2016, DCC 2016: 2016 Data Compression Conference, 29 March-1 April 2016, Snowbird, Utah, USA. Bilgin, A., Marcellin, M. W., Serra-Sagrista, J. & Storer, J. A. (red.). New York, NY: IEEE, s. 53-62 10 s. ( IEEE Data Compression Conference).

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Faster External Memory LCP Array Construction

Kärkkäinen, J. & Kempa, D., 2016, 24th Annual European Symposium on Algorithms: ESA 2016, August 22–24, 2016, Aarhus, Denmark. Sankowski, P. & Zaroliagis, C. (red.). Wadern: Schloss Dagstuhl - Leibniz-Zentrum für Informatik, 16 s. 61. (Leibniz International Proceedings in Informatics; vol. 57).

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LCP Array Construction Using O(sort(n)) (or Less) I/Os

Kärkkäinen, J. & Kempa, D., 21 sep 2016, String Processing and Information Retrieval - 23rd International Symposium, SPIRE 2016, Beppu, Japan, October 18-20, 2016, Proceedings. Inenaga, S., Sadakane, K. & Sakai, T. (red.). Springer, Vol. 9954. s. 204-217 14 s. (Lecture Notes in Computer Science (LNCS); vol. 9954).

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Lempel-Ziv Decoding in External Memory

Belazzougui, D., Kärkkäinen, J., Kempa, D. & Puglisi, S. J., 2016, Experimental Algorithms: 15th International Symposium, SEA 2016, St. Petersburg, Russia, June 5-8, 2016, Proceedings. Goldberg, A. V. & Kulikov, A. S. (red.). Cham: Springer International Publishing , s. 63-74 12 s. (Lecture Notes in Computer Science; vol. 9685).

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2015

Diverse Palindromic Factorization is NP-Complete

Bannai, H., Gagie, T., Inenaga, S., Kärkkäinen, J. T., Kempa, D., Piątkowski, M., Puglisi, S. J. & Sugimoto, S., 2015, Developments in Language Theory: 19th International Conference, DLT 2015, Liverpool, UK, July 27-30, 2015, Proceedings. Potapov, I. (red.). Cham: Springer International Publishing AG, s. 85-96 12 s. (Lecture Notes in Computer Science; vol. 9168).

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Document Counting in Compressed Space

Gagie, T., Hartikainen, A., Kärkkäinen, J., Navarro, G., Puglisi, S. J. & Sirén, J., 2015, DCC 2015: 2015 Data Compression Conference, 7-9 April 2015, Snowbird, Utah, USA. Bilgin, A., Marcellin, M. W., Serra-Sagrista, J. & Storer, J. A. (red.). Los Alamitos, CA: IEEE, s. 103-112 10 s. (Data Compression Conference. Proceedings ).

Forskningsoutput: Kapitel i bok/rapport/konferenshandlingKonferensbidragVetenskapligPeer review

Parallel External Memory Suffix Sorting

Kärkkäinen, J., Kempa, D. & Puglisi, S. J., 16 jun 2015, Combinatorial Pattern Matching: 26th Annual Symposium, CPM 2015, Ischia Island, Italy, June 29 -- July 1, 2015, Proceedings. Cicalese, F., Porat, E. & Vaccaro, U. (red.). Springer International Publishing AG, s. 329-342 14 s. (Lecture Notes in Computer Science; vol. 9133).

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Queries on LZ-Bounded Encodings

Belazzougui, D., Gagie, T., Gawrychowski, P., Kärkkäinen, J., Pereira, A. O., Puglisi, S. J. & Tabei, Y., 2015, Proceedings DCC 2015 Data Compression Conference: 7-9 April 2015, Snowbird, Utah, USA. Bilgin, A., Marcellin, M. W., Serra-Sagrista, J. & Storer, J. A. (red.). Los Alamitos, CA: IEEE Computer Society Conference Publishing Services, s. 83-92 10 s. (IEEE Data Compression Conference).

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Tighter Bounds for the Sum of Irreducible LCP Values

Kärkkäinen, J., Kempa, D. & Piątkowski, M., 16 jun 2015, Combinatorial Pattern Matching: 26th Annual Symposium, CPM 2015, Ischia Island, Italy, June 29 -- July 1, 2015, Proceedings. Cicalese, F., Porat, E. & Vaccaro, U. (red.). Springer International Publishing AG, s. 316-328 13 s. (Lecture Notes in Computer Science; vol. 9133).

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2014

Engineering a Lightweight External Memory Suffix Array Construction Algorithm

Kärkkäinen, J. & Kempa, D., 2014, ICABD 2014 2nd International Conference on Algorithms for Big Data: Proceedings of the 2nd International Conference on Algorithms for Big Data : Palermo, Italy, April 07-09, 2014.. Iliopoulos, C. S. & Langiu, A. (red.). CEUR-WS.org, s. 53-60 8 s. (CEUR Workshop Proceedings; vol. 1146).

Forskningsoutput: Kapitel i bok/rapport/konferenshandlingKonferensbidragVetenskapligPeer review

Faster Sparse Suffix Sorting

I, T., Kärkkäinen, J. & Kempa, D., 2014, 31st International Symposium on Theoretical Aspects of Computer Science (STACS 2014). Mayr, E. W. & Portier, N. (red.). Wadern: Schloss Dagstuhl - Leibniz-Zentrum für Informatik, s. 386-396 11 s. (Leibniz International Proceedings in Informatics (LIPIcs); vol. 25).

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Hybrid Compression of Bitvectors for the FM-Index

Kärkkäinen, J., Kempa, D. & Puglisi, S., 2014, Proceedings [of] Data Compression Conference 26-28 March 2014, Snowbird, Utah, USA. Bilgin, A., Marcellin, M. W., Serra-Sagristà, J. & Storer, J. A. (red.). Los Alamitos, CA: IEEE, s. 302-311 10 s. (Data Compression Conference).

Forskningsoutput: Kapitel i bok/rapport/konferenshandlingKonferensbidragVetenskapligPeer review

Lempel-Ziv Parsing in External Memory

Kärkkäinen, J., Kempa, D. & Puglisi, S. J., 2014, Proceedings [of] Data Compression Conference 26-28 March 2014, Snowbird, Utah, USA. Bilgin, A., Marcellin, M. W., Serra-Sagristà, J. & Storer, J. A. (red.). Los Alamitos, CA: IEEE, s. 153-162 10 s. (Data Compression Conference).

Forskningsoutput: Kapitel i bok/rapport/konferenshandlingKonferensbidragVetenskapligPeer review

2013

Crochemore’s String Matching Algorithm: Simplification, Extensions, Applications

Kärkkäinen, J., Kempa, D. & Puglisi, S., 2013, Proceedings of the Prague Stringology Conference 2013. Holub, J. & Žďárek, J. (red.). Czech Technical University in Prague, Department of Theoretical Computer Science, Faculty of Information Technology, s. 168-175 8 s.

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1999

Mining for similarities in aligned time series using wavelets

Huhtala, Y., Karkkainen, J. & Toivonen, H., apr 1999, Data Mining and Knowledge Discovery: Theory, Tools, and Technology. Orlando, Florida: SPIE, s. 150-160 11 s. (SPIE Proceedings Series Vol. 3695).

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1998

Efficient Discovery of Functional and Approximate Dependencies Using Partitions

Huhtala, Y., Kärkkäinen, J., Porkka, P. & Toivonen, H., feb 1998, Proceedings of the Fourteenth International Conference on Data Engineering (ICDE'98). Orlando, Florida: IEEE Computer Society, s. 392-401 10 s.

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