no code implementations • DeeLIO (ACL) 2022 • Rungsiman Nararatwong, Natthawut Kertkeidkachorn, Ryutaro Ichise
While entity retrieval models continue to advance their capabilities, our understanding of their wide-ranging applications is limited, especially in domain-specific settings.
no code implementations • FNP (LREC) 2022 • Ziwei Xu, Rungsiman Nararatwong, Natthawut Kertkeidkachorn, Ryutaro Ichise
The application of span detection grows fast along with the increasing need of understanding the causes and effects of events, especially in the finance domain.
no code implementations • 29 Feb 2024 • Tiroshan Madushanka, Ryutaro Ichise
This comprehensive survey paper systematically reviews various negative sampling (NS) methods and their contributions to the success of KGRL.
1 code implementation • Journal of Intelligent Information Systems 2023 • Tiroshan Madushanka, Ryutaro Ichise
Knowledge Graph Embedding (KGE) translates entities and relations of knowledge graphs (KGs) into a low-dimensional vector space, enabling an efficient way of predicting missing facts.
Ranked #1 on Link Prediction on FB15k
no code implementations • 5 Oct 2020 • Phuc Nguyen, Natthawut Kertkeidkachorn, Ryutaro Ichise, Hideaki Takeda
In the Open Data era, a large number of table resources have been made available on the Web and data portals.
2 code implementations • 1 Oct 2019 • Phuc Nguyen, Natthawut Kertkeidkachorn, Ryutaro Ichise, Hideaki Takeda
This paper presents the design of our system, namely MTab, for Semantic Web Challenge on Tabular Data to Knowledge Graph Matching (SemTab 2019).
no code implementations • 9 Sep 2019 • Takuma Ebisu, Ryutaro Ichise
Then, we show that these models utilize paths for link prediction and propose a method for evaluating rules based on this idea.
no code implementations • NAACL 2019 • Takuma Ebisu, Ryutaro Ichise
To solve this problem, many knowledge graph embedding models have been developed to populate knowledge graphs and these have shown outstanding performance.
no code implementations • 26 Jun 2018 • Phuc Nguyen, Khai Nguyen, Ryutaro Ichise, Hideaki Takeda
Semantic labeling for numerical values is a task of assigning semantic labels to unknown numerical attributes.
no code implementations • 12 Dec 2017 • Nicolas Bougie, Ryutaro Ichise
Recent improvements in deep reinforcement learning have allowed to solve problems in many 2D domains such as Atari games.
no code implementations • 15 Nov 2017 • Takuma Ebisu, Ryutaro Ichise
To the best of our knowledge, TorusE is the first model that embeds objects on other than a real or complex vector space, and this paper is the first to formally discuss the problem of regularization of TransE.
no code implementations • 15 Apr 2016 • Paolo Pareti, Benoit Testu, Ryutaro Ichise, Ewan Klein, Adam Barker
We describe a framework for representing generic know-how as Linked Data and for automatically acquiring this representation from existing resources on the Web.
no code implementations • 27 Dec 2013 • Patoomsiri Songsiri, Thimaporn Phetkaew, Ryutaro Ichise, Boonserm Kijsirikul
We propose a method for constructing the Error Correcting Output Code to obtain the suitable combination of positive and negative classes encoded to represent binary classifiers.