1 code implementation • 16 Jun 2023 • Moe Kayali, Anton Lykov, Ilias Fountalis, Nikolaos Vasiloglou, Dan Olteanu, Dan Suciu
On all three tasks, we show that a foundation-model-based approach outperforms the task-specific models and so the state of the art.
no code implementations • 10 Mar 2021 • Amir Shaikhha, Mathieu Huot, Jaclyn Smith, Dan Olteanu
We developed SDQL, a statically typed language that can express relational algebra with aggregations, linear algebra, and functional collections over data such as relations and matrices using semi-ring dictionaries.
no code implementations • 18 Aug 2020 • Dan Olteanu
This work is the outcome of extensive collaboration of the author with colleagues from RelationalAI, in particular Mahmoud Abo Khamis, Molham Aref, Hung Ngo, and XuanLong Nguyen, and from the FDB research project, in particular Ahmet Kara, Milos Nikolic, Maximilian Schleich, Amir Shaikhha, Jakub Zavodny, and Haozhe Zhang.
no code implementations • 10 Jan 2020 • Amir Shaikhha, Maximilian Schleich, Alexandru Ghita, Dan Olteanu
We consider the problem of training machine learning models over multi-relational data.
no code implementations • 11 Oct 2019 • Ryan Curtin, Ben Moseley, Hung Q. Ngo, XuanLong Nguyen, Dan Olteanu, Maximilian Schleich
When the data matrix needs to be obtained from a relational database via a feature extraction query, the computation cost can be prohibitive, as the data matrix may be (much) larger than the total input relation size.
no code implementations • 22 Dec 2018 • Mahmoud Abo Khamis, Ryan R. Curtin, Benjamin Moseley, Hung Q. Ngo, XuanLong Nguyen, Dan Olteanu, Maximilian Schleich
This new width is sandwiched between the submodular and the fractional hypertree widths.
no code implementations • 6 Dec 2014 • Vince Barany, Balder ten Cate, Benny Kimelfeld, Dan Olteanu, Zografoula Vagena
By virtue of extending Datalog, our framework offers a natural integration with the database, and has a robust declarative semantics.
1 code implementation • 16 Jun 2006 • Lyublena Antova, Christoph Koch, Dan Olteanu
Current systems and formalisms for representing incomplete information generally suffer from at least one of two weaknesses.
Databases H.2.1; H.2.4