Paolo Guagliardo

Journals    Conferences    Book chapters
  • Paolo Guagliardo, Leonid Libkin, Victor Marsault, Wim Martens, Filip Murlak, Liat Peterfreund, Cristina Sirangelo.

    Queries with External Predicates. ICDT 2025: 22:1-22:20
  • Molham Aref, Paolo Guagliardo, George Kastrinis, Leonid Libkin, Victor Marsault, Wim Martens, Mary McGrath, Filip Murlak, Nathaniel Nystrom, Liat Peterfreund, Allison Rogers, Cristina Sirangelo, Domagoj Vrgoc, David Zhao 0001, Abdul Zreika.

    Rel: A Programming Language for Relational Data. SIGMOD Conference Companion 2025: 283-296
  • Nadime Francis, Amélie Gheerbrant, Paolo Guagliardo, Leonid Libkin, Victor Marsault, Wim Martens, Filip Murlak, Liat Peterfreund, Alexandra Rogova, Domagoj Vrgoc.

    A Researcher's Digest of GQL (Invited Talk). ICDT 2023: 1:1-1:22
  • Nadime Francis, Amélie Gheerbrant, Paolo Guagliardo, Leonid Libkin, Victor Marsault, Wim Martens, Filip Murlak, Liat Peterfreund, Alexandra Rogova, Domagoj Vrgoc.

    GPC: A Pattern Calculus for Property Graphs. PODS 2023: 241-250
  • Marco Console, Paolo Guagliardo, Leonid Libkin.

    Propositional and predicate logics of incomplete information. Artif. Intell. 302:103603 (2022)


  • Marco Console, Paolo Guagliardo, Leonid Libkin.

    Fragments of bag relational algebra: Expressiveness and certain answers. Inf. Syst. 105:101604 (2022)


  • Etienne Toussaint, Paolo Guagliardo, Leonid Libkin, Juan Sequeda.

    Troubles with Nulls, Views from the Users. Proc. VLDB Endow. 15(11):2613-2625 (2022)


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    Proceedings of the 25th International Conference on Extending Database Technology, EDBT 2022, Edinburgh, UK, March 29 - April 1, 2022. EDBT 2022:
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    PODS'21: Proceedings of the 40th ACM SIGMOD-SIGACT-SIGAI Symposium on Principles of Database Systems, Virtual Event, China, June 20-25, 2021. PODS 2021:
  • Etienne Toussaint, Paolo Guagliardo, Leonid Libkin.

    Knowledge-Preserving Certain Answers for SQL-like Queries. KR 2020: 758-767
  • Marco Console, Paolo Guagliardo, Leonid Libkin, Etienne Toussaint.

    Coping with Incomplete Data: Recent Advances. PODS 2020: 33-47
  • Paolo Guagliardo, Leonid Libkin.

    On the Codd semantics of SQL nulls. Inf. Syst. 86:46-60 (2019)


  • Alastair Green, Paolo Guagliardo, Leonid Libkin, Tobias Lindaaker, Victor Marsault, Stefan Plantikow, Martin Schuster, Petra Selmer, Hannes Voigt.

    Updating Graph Databases with Cypher. Proc. VLDB Endow. 12(12):2242-2253 (2019)


  • Marco Console, Paolo Guagliardo, Leonid Libkin.

    Fragments of Bag Relational Algebra: Expressiveness and Certain Answers. ICDT 2019: 8:1-8:16
  • Marco Console, Paolo Guagliardo, Leonid Libkin.

    Do We Need Many-valued Logics for Incomplete Information?. IJCAI 2019: 6141-6145
  • Paolo Guagliardo, Leonid Libkin.

    How Standard is the SQL Standard? AMW 2018:
  • Marco Console, Paolo Guagliardo, Leonid Libkin.

    Propositional and Predicate Logics of Incomplete Information. KR 2018: 592-601
  • Nadime Francis, Alastair Green, Paolo Guagliardo, Leonid Libkin, Tobias Lindaaker, Victor Marsault, Stefan Plantikow, Mats Rydberg, Petra Selmer, Andrés Taylor.

    Cypher: An Evolving Query Language for Property Graphs. SIGMOD Conference 2018: 1433-1445
  • Paolo Guagliardo, Leonid Libkin.

    A Formal Semantics of SQL Queries, Its Validation, and Applications. Proc. VLDB Endow. 11(1):27-39 (2017)


  • Paolo Guagliardo, Leonid Libkin.

    Correctness of SQL Queries on Databases with Nulls. SIGMOD Rec. 46(3):5-16 (2017)


  • Paolo Guagliardo, Leonid Libkin.

    On the Codd Semantics of SQL Nulls. AMW 2017:
  • Marco Console, Paolo Guagliardo, Leonid Libkin.

    On Querying Incomplete Information in Databases under Bag Semantics. IJCAI 2017: 993-999
  • Marco Console, Paolo Guagliardo, Leonid Libkin.

    Approximations and Refinements of Certain Answers via Many-Valued Logics. KR 2016: 349-358
  • Paolo Guagliardo, Leonid Libkin.

    Making SQL Queries Correct on Incomplete Databases: A Feasibility Study. PODS 2016: 211-223
  • Ingo Feinerer, Enrico Franconi, Paolo Guagliardo.

    Lossless Selection Views under Conditional Domain Constraints. IEEE Trans. Knowl. Data Eng. 27(2):504-517 (2015)


  • Ingo Feinerer, Paolo Guagliardo, Enrico Franconi.

    Lossless Selection Views under Constraints. AMW 2014:
  • Enrico Franconi, Paolo Guagliardo.

    Translatable Updates of Selection Views under Constant Complement. DEXA (2) 2014: 295-309
  • Enrico Franconi, Paolo Guagliardo.

    Effectively Updatable Conjunctive Views. AMW 2013:
  • Paolo Guagliardo, Reinhard Pichler, Emanuel Sallinger.

    Enhancing the Updatability of Projective Views. AMW 2013:
  • Ingo Feinerer, Enrico Franconi, Paolo Guagliardo.

    Lossless Horizontal Decomposition with Domain Constraints on Interpreted Attributes. BNCOD 2013: 77-91
  • Paolo Guagliardo, Piotr Wieczorek.

    Query Processing in Data Integration. Data Exchange, Information, and Streams 2013: 129-160
  • Enrico Franconi, Paolo Guagliardo.

    On the Translatability of View Updates. AMW 2012: 154-167
  • Enrico Franconi, Paolo Guagliardo, Marco Trevisan, Sergio Tessaris.

    Quelo: an Ontology-Driven Query Interface. Description Logics 2011:
  • Enrico Franconi, Paolo Guagliardo.

    A Constructive Framework for View Updating (Extended Abstract). SEBD 2011: 147-154