---
_id: '54084'
author:
- first_name: Nikolaos
  full_name: Karalis, Nikolaos
  last_name: Karalis
- first_name: Alexander
  full_name: Bigerl, Alexander
  id: '72857'
  last_name: Bigerl
- first_name: Liss
  full_name: Heidrich, Liss
  last_name: Heidrich
- first_name: Mohamed
  full_name: Sherif, Mohamed
  id: '67234'
  last_name: Sherif
  orcid: https://orcid.org/0000-0002-9927-2203
- first_name: Axel-Cyrille
  full_name: Ngonga Ngomo, Axel-Cyrille
  id: '65716'
  last_name: Ngonga Ngomo
citation:
  ama: 'Karalis N, Bigerl A, Heidrich L, Sherif M, Ngonga Ngomo A-C. Efficient Evaluation
    of Conjunctive Regular Path Queries Using Multi-way Joins. In: <i>ESWC</i>. ;
    2024.'
  apa: Karalis, N., Bigerl, A., Heidrich, L., Sherif, M., &#38; Ngonga Ngomo, A.-C.
    (2024). Efficient Evaluation of Conjunctive Regular Path Queries Using Multi-way
    Joins. <i>ESWC</i>.
  bibtex: '@inproceedings{Karalis_Bigerl_Heidrich_Sherif_Ngonga Ngomo_2024, title={Efficient
    Evaluation of Conjunctive Regular Path Queries Using Multi-way Joins}, booktitle={ESWC},
    author={Karalis, Nikolaos and Bigerl, Alexander and Heidrich, Liss and Sherif,
    Mohamed and Ngonga Ngomo, Axel-Cyrille}, year={2024} }'
  chicago: Karalis, Nikolaos, Alexander Bigerl, Liss Heidrich, Mohamed Sherif, and
    Axel-Cyrille Ngonga Ngomo. “Efficient Evaluation of Conjunctive Regular Path Queries
    Using Multi-Way Joins.” In <i>ESWC</i>, 2024.
  ieee: N. Karalis, A. Bigerl, L. Heidrich, M. Sherif, and A.-C. Ngonga Ngomo, “Efficient
    Evaluation of Conjunctive Regular Path Queries Using Multi-way Joins,” 2024.
  mla: Karalis, Nikolaos, et al. “Efficient Evaluation of Conjunctive Regular Path
    Queries Using Multi-Way Joins.” <i>ESWC</i>, 2024.
  short: 'N. Karalis, A. Bigerl, L. Heidrich, M. Sherif, A.-C. Ngonga Ngomo, in: ESWC,
    2024.'
date_created: 2024-05-08T10:25:54Z
date_updated: 2025-09-11T10:36:03Z
department:
- _id: '574'
keyword:
- bigerl dice enexa heidrich karalis ngonga sail sherif
language:
- iso: eng
publication: ESWC
status: public
title: Efficient Evaluation of Conjunctive Regular Path Queries Using Multi-way Joins
type: conference
user_id: '67234'
year: '2024'
...
---
_id: '46460'
author:
- first_name: Axel-Cyrille
  full_name: Ngonga Ngomo, Axel-Cyrille
  id: '65716'
  last_name: Ngonga Ngomo
- first_name: Caglar
  full_name: Demir, Caglar
  id: '43817'
  last_name: Demir
- first_name: N'Dah Jean
  full_name: Kouagou, N'Dah Jean
  id: '87189'
  last_name: Kouagou
- first_name: Stefan
  full_name: Heindorf, Stefan
  id: '11871'
  last_name: Heindorf
  orcid: 0000-0002-4525-6865
- first_name: Nikoloas
  full_name: Karalis, Nikoloas
  last_name: Karalis
- first_name: Alexander
  full_name: Bigerl, Alexander
  id: '72857'
  last_name: Bigerl
citation:
  ama: 'Ngonga Ngomo A-C, Demir C, Kouagou NJ, Heindorf S, Karalis N, Bigerl A. Class
    Expression Learning with Multiple Representations. In: <i>Compendium of Neurosymbolic
    Artificial Intelligence</i>. IOS Press; 2023:272–286.'
  apa: Ngonga Ngomo, A.-C., Demir, C., Kouagou, N. J., Heindorf, S., Karalis, N.,
    &#38; Bigerl, A. (2023). Class Expression Learning with Multiple Representations.
    In <i>Compendium of Neurosymbolic Artificial Intelligence</i> (pp. 272–286). IOS
    Press.
  bibtex: '@inbook{Ngonga Ngomo_Demir_Kouagou_Heindorf_Karalis_Bigerl_2023, title={Class
    Expression Learning with Multiple Representations}, booktitle={Compendium of Neurosymbolic
    Artificial Intelligence}, publisher={IOS Press}, author={Ngonga Ngomo, Axel-Cyrille
    and Demir, Caglar and Kouagou, N’Dah Jean and Heindorf, Stefan and Karalis, Nikoloas
    and Bigerl, Alexander}, year={2023}, pages={272–286} }'
  chicago: Ngonga Ngomo, Axel-Cyrille, Caglar Demir, N’Dah Jean Kouagou, Stefan Heindorf,
    Nikoloas Karalis, and Alexander Bigerl. “Class Expression Learning with Multiple
    Representations.” In <i>Compendium of Neurosymbolic Artificial Intelligence</i>,
    272–286. IOS Press, 2023.
  ieee: A.-C. Ngonga Ngomo, C. Demir, N. J. Kouagou, S. Heindorf, N. Karalis, and
    A. Bigerl, “Class Expression Learning with Multiple Representations,” in <i>Compendium
    of Neurosymbolic Artificial Intelligence</i>, IOS Press, 2023, pp. 272–286.
  mla: Ngonga Ngomo, Axel-Cyrille, et al. “Class Expression Learning with Multiple
    Representations.” <i>Compendium of Neurosymbolic Artificial Intelligence</i>,
    IOS Press, 2023, pp. 272–286.
  short: 'A.-C. Ngonga Ngomo, C. Demir, N.J. Kouagou, S. Heindorf, N. Karalis, A.
    Bigerl, in: Compendium of Neurosymbolic Artificial Intelligence, IOS Press, 2023,
    pp. 272–286.'
date_created: 2023-08-08T11:49:51Z
date_updated: 2023-11-21T08:06:20Z
department:
- _id: '760'
- _id: '574'
language:
- iso: eng
page: 272–286
publication: Compendium of Neurosymbolic Artificial Intelligence
publisher: IOS Press
status: public
title: Class Expression Learning with Multiple Representations
type: book_chapter
user_id: '14931'
year: '2023'
...
---
_id: '54611'
author:
- first_name: Nikolaos
  full_name: Karalis, Nikolaos
  last_name: Karalis
- first_name: Alexander
  full_name: Bigerl, Alexander
  id: '72857'
  last_name: Bigerl
- first_name: Axel-Cyrille
  full_name: Ngonga Ngomo, Axel-Cyrille
  id: '65716'
  last_name: Ngonga Ngomo
citation:
  ama: 'Karalis N, Bigerl A, Ngonga Ngomo A-C. Native Execution of GraphQL Queries
    over RDF Graphs Using Multi-way Joins. In: <i>SEMANTiCS</i>. ; 2023.'
  apa: Karalis, N., Bigerl, A., &#38; Ngonga Ngomo, A.-C. (2023). Native Execution
    of GraphQL Queries over RDF Graphs Using Multi-way Joins. <i>SEMANTiCS</i>.
  bibtex: '@inproceedings{Karalis_Bigerl_Ngonga Ngomo_2023, title={Native Execution
    of GraphQL Queries over RDF Graphs Using Multi-way Joins}, booktitle={SEMANTiCS},
    author={Karalis, Nikolaos and Bigerl, Alexander and Ngonga Ngomo, Axel-Cyrille},
    year={2023} }'
  chicago: Karalis, Nikolaos, Alexander Bigerl, and Axel-Cyrille Ngonga Ngomo. “Native
    Execution of GraphQL Queries over RDF Graphs Using Multi-Way Joins.” In <i>SEMANTiCS</i>,
    2023.
  ieee: N. Karalis, A. Bigerl, and A.-C. Ngonga Ngomo, “Native Execution of GraphQL
    Queries over RDF Graphs Using Multi-way Joins,” 2023.
  mla: Karalis, Nikolaos, et al. “Native Execution of GraphQL Queries over RDF Graphs
    Using Multi-Way Joins.” <i>SEMANTiCS</i>, 2023.
  short: 'N. Karalis, A. Bigerl, A.-C. Ngonga Ngomo, in: SEMANTiCS, 2023.'
date_created: 2024-06-04T15:35:24Z
date_updated: 2024-06-04T15:35:59Z
department:
- _id: '574'
keyword:
- bigerl dice enexa karalis knowgraphs ngonga sail
language:
- iso: eng
publication: SEMANTiCS
status: public
title: Native Execution of GraphQL Queries over RDF Graphs Using Multi-way Joins
type: conference
user_id: '67199'
year: '2023'
...
---
_id: '25341'
author:
- first_name: Alexander
  full_name: Bigerl, Alexander
  id: '72857'
  last_name: Bigerl
- first_name: Felix
  full_name: Conrads, Felix
  last_name: Conrads
- first_name: Charlotte
  full_name: Behning, Charlotte
  last_name: Behning
- first_name: Mohamed
  full_name: Ahmed Sherif, Mohamed
  last_name: Ahmed Sherif
- first_name: Muhammad
  full_name: Saleem, Muhammad
  last_name: Saleem
- first_name: Axel-Cyrille
  full_name: Ngonga Ngomo, Axel-Cyrille
  id: '65716'
  last_name: Ngonga Ngomo
citation:
  ama: 'Bigerl A, Conrads F, Behning C, Ahmed Sherif M, Saleem M, Ngonga Ngomo A-C.
    Tentris - A Tensor-Based Triple Store. In: Z. Pan J, A. M. Tamma V, d’Amato C,
    et al., eds. <i>The Semantic Web - {ISWC} 2020 - 19th International Semantic Web
    Conference, Athens, Greece, November 2-6, 2020, Proceedings, Part {I}</i>. Vol
    12506. Lecture Notes in Computer Science. Springer; 2020:56-73. doi:<a href="https://doi.org/10.1007/978-3-030-62419-4\_4">10.1007/978-3-030-62419-4\_4</a>'
  apa: Bigerl, A., Conrads, F., Behning, C., Ahmed Sherif, M., Saleem, M., &#38; Ngonga
    Ngomo, A.-C. (2020). Tentris - A Tensor-Based Triple Store. In J. Z. Pan, V. A.
    M. Tamma, C. d’Amato, K. Janowicz, B. Fu, A. Polleres, O. Seneviratne, &#38; L.
    Kagal (Eds.), <i>The Semantic Web - {ISWC} 2020 - 19th International Semantic
    Web Conference, Athens, Greece, November 2-6, 2020, Proceedings, Part {I}</i>
    (Vol. 12506, pp. 56–73). Springer. <a href="https://doi.org/10.1007/978-3-030-62419-4\_4">https://doi.org/10.1007/978-3-030-62419-4\_4</a>
  bibtex: '@inproceedings{Bigerl_Conrads_Behning_Ahmed Sherif_Saleem_Ngonga Ngomo_2020,
    series={Lecture Notes in Computer Science}, title={Tentris - A Tensor-Based Triple
    Store}, volume={12506}, DOI={<a href="https://doi.org/10.1007/978-3-030-62419-4\_4">10.1007/978-3-030-62419-4\_4</a>},
    booktitle={The Semantic Web - {ISWC} 2020 - 19th International Semantic Web Conference,
    Athens, Greece, November 2-6, 2020, Proceedings, Part {I}}, publisher={Springer},
    author={Bigerl, Alexander and Conrads, Felix and Behning, Charlotte and Ahmed
    Sherif, Mohamed and Saleem, Muhammad and Ngonga Ngomo, Axel-Cyrille}, editor={Z.
    Pan, Jeff and A. M. Tamma, Valentina and d’Amato, Claudia and Janowicz, Krzysztof
    and Fu, Bo and Polleres, Axel and Seneviratne, Oshani and Kagal, Lalana}, year={2020},
    pages={56–73}, collection={Lecture Notes in Computer Science} }'
  chicago: Bigerl, Alexander, Felix Conrads, Charlotte Behning, Mohamed Ahmed Sherif,
    Muhammad Saleem, and Axel-Cyrille Ngonga Ngomo. “Tentris - A Tensor-Based Triple
    Store.” In <i>The Semantic Web - {ISWC} 2020 - 19th International Semantic Web
    Conference, Athens, Greece, November 2-6, 2020, Proceedings, Part {I}</i>, edited
    by Jeff Z. Pan, Valentina A. M. Tamma, Claudia d’Amato, Krzysztof Janowicz, Bo
    Fu, Axel Polleres, Oshani Seneviratne, and Lalana Kagal, 12506:56–73. Lecture
    Notes in Computer Science. Springer, 2020. <a href="https://doi.org/10.1007/978-3-030-62419-4\_4">https://doi.org/10.1007/978-3-030-62419-4\_4</a>.
  ieee: 'A. Bigerl, F. Conrads, C. Behning, M. Ahmed Sherif, M. Saleem, and A.-C.
    Ngonga Ngomo, “Tentris - A Tensor-Based Triple Store,” in <i>The Semantic Web
    - {ISWC} 2020 - 19th International Semantic Web Conference, Athens, Greece, November
    2-6, 2020, Proceedings, Part {I}</i>, 2020, vol. 12506, pp. 56–73, doi: <a href="https://doi.org/10.1007/978-3-030-62419-4\_4">10.1007/978-3-030-62419-4\_4</a>.'
  mla: Bigerl, Alexander, et al. “Tentris - A Tensor-Based Triple Store.” <i>The Semantic
    Web - {ISWC} 2020 - 19th International Semantic Web Conference, Athens, Greece,
    November 2-6, 2020, Proceedings, Part {I}</i>, edited by Jeff Z. Pan et al., vol.
    12506, Springer, 2020, pp. 56–73, doi:<a href="https://doi.org/10.1007/978-3-030-62419-4\_4">10.1007/978-3-030-62419-4\_4</a>.
  short: 'A. Bigerl, F. Conrads, C. Behning, M. Ahmed Sherif, M. Saleem, A.-C. Ngonga
    Ngomo, in: J. Z. Pan, V. A. M. Tamma, C. d’Amato, K. Janowicz, B. Fu, A. Polleres,
    O. Seneviratne, L. Kagal (Eds.), The Semantic Web - {ISWC} 2020 - 19th International
    Semantic Web Conference, Athens, Greece, November 2-6, 2020, Proceedings, Part
    {I}, Springer, 2020, pp. 56–73.'
date_created: 2021-10-04T20:33:00Z
date_updated: 2022-01-06T06:57:01Z
doi: 10.1007/978-3-030-62419-4\_4
editor:
- first_name: Jeff
  full_name: Z. Pan, Jeff
  last_name: Z. Pan
- first_name: Valentina
  full_name: A. M. Tamma, Valentina
  last_name: A. M. Tamma
- first_name: Claudia
  full_name: d'Amato, Claudia
  last_name: d'Amato
- first_name: Krzysztof
  full_name: Janowicz, Krzysztof
  last_name: Janowicz
- first_name: Bo
  full_name: Fu, Bo
  last_name: Fu
- first_name: Axel
  full_name: Polleres, Axel
  last_name: Polleres
- first_name: Oshani
  full_name: Seneviratne, Oshani
  last_name: Seneviratne
- first_name: Lalana
  full_name: Kagal, Lalana
  last_name: Kagal
intvolume: '     12506'
language:
- iso: eng
page: 56-73
publication: The Semantic Web - {ISWC} 2020 - 19th International Semantic Web Conference,
  Athens, Greece, November 2-6, 2020, Proceedings, Part {I}
publisher: Springer
series_title: Lecture Notes in Computer Science
status: public
title: Tentris - A Tensor-Based Triple Store
type: conference
user_id: '15526'
volume: 12506
year: '2020'
...
---
_id: '29039'
author:
- first_name: Alexander
  full_name: Bigerl, Alexander
  id: '72857'
  last_name: Bigerl
- first_name: Felix
  full_name: Conrads, Felix
  last_name: Conrads
- first_name: Charlotte
  full_name: Behning, Charlotte
  last_name: Behning
- first_name: Mohamed
  full_name: Sherif, Mohamed
  id: '67234'
  last_name: Sherif
  orcid: https://orcid.org/0000-0002-9927-2203
- first_name: Muhammad
  full_name: Saleem, Muhammad
  last_name: Saleem
- first_name: Axel-Cyrille
  full_name: Ngonga Ngomo, Axel-Cyrille
  id: '65716'
  last_name: Ngonga Ngomo
citation:
  ama: Bigerl A, Conrads F, Behning C, Sherif M, Saleem M, Ngonga Ngomo A-C. Tentris
    – A Tensor-Based Triple Store. <i>The Semantic Web -- ISWC 2020</i>. Published
    online 2020.
  apa: Bigerl, A., Conrads, F., Behning, C., Sherif, M., Saleem, M., &#38; Ngonga
    Ngomo, A.-C. (2020). Tentris – A Tensor-Based Triple Store. <i>The Semantic Web
    -- ISWC 2020</i>.
  bibtex: '@article{Bigerl_Conrads_Behning_Sherif_Saleem_Ngonga Ngomo_2020, title={Tentris
    – A Tensor-Based Triple Store}, journal={The Semantic Web -- ISWC 2020}, publisher={Springer
    International Publishing}, author={Bigerl, Alexander and Conrads, Felix and Behning,
    Charlotte and Sherif, Mohamed and Saleem, Muhammad and Ngonga Ngomo, Axel-Cyrille},
    year={2020} }'
  chicago: Bigerl, Alexander, Felix Conrads, Charlotte Behning, Mohamed Sherif, Muhammad
    Saleem, and Axel-Cyrille Ngonga Ngomo. “Tentris – A Tensor-Based Triple Store.”
    <i>The Semantic Web -- ISWC 2020</i>, 2020.
  ieee: A. Bigerl, F. Conrads, C. Behning, M. Sherif, M. Saleem, and A.-C. Ngonga
    Ngomo, “Tentris – A Tensor-Based Triple Store,” <i>The Semantic Web -- ISWC 2020</i>,
    2020.
  mla: Bigerl, Alexander, et al. “Tentris – A Tensor-Based Triple Store.” <i>The Semantic
    Web -- ISWC 2020</i>, Springer International Publishing, 2020.
  short: A. Bigerl, F. Conrads, C. Behning, M. Sherif, M. Saleem, A.-C. Ngonga Ngomo,
    The Semantic Web -- ISWC 2020 (2020).
date_created: 2021-12-17T10:05:41Z
date_updated: 2023-08-16T10:06:33Z
keyword:
- sys:relevantFor:infai sys:relevantFor:bis sys:relevantFor:simba sys:relevantFor:limbo
  sys:relevantFor:raki daikiri speaker tentris knowgraphs bigerl fconrads saleem sherif
  ngonga group_aksw dice
language:
- iso: eng
publication: The Semantic Web -- ISWC 2020
publisher: Springer International Publishing
status: public
title: Tentris – A Tensor-Based Triple Store
type: journal_article
user_id: '67234'
year: '2020'
...