Search Results for author: Hidekazu Oiwa

Found 9 papers, 1 papers with code

Scalable Semantic Querying of Text

no code implementations3 May 2018 Xiaolan Wang, Aaron Feng, Behzad Golshan, Alon Halevy, George Mihaila, Hidekazu Oiwa, Wang-Chiew Tan

KOKO is novel in that its extraction language simultaneously supports conditions on the surface of the text and on the structure of the dependency parse tree of sentences, thereby allowing for more refined extractions.

Natural Language Processing

A Lightweight Front-end Tool for Interactive Entity Population

no code implementations1 Aug 2017 Hidekazu Oiwa, Yoshihiko Suhara, Jiyu Komiya, Andrei Lopatenko

Entity population, a task of collecting entities that belong to a particular category, has attracted attention from vertical domains.

Knowledge Transfer for Out-of-Knowledge-Base Entities: A Graph Neural Network Approach

1 code implementation18 Jun 2017 Takuo Hamaguchi, Hidekazu Oiwa, Masashi Shimbo, Yuji Matsumoto

Knowledge base completion (KBC) aims to predict missing information in a knowledge base. In this paper, we address the out-of-knowledge-base (OOKB) entity problem in KBC:how to answer queries concerning test entities not observed at training time.

Knowledge Base Completion Transfer Learning

Partition-wise Linear Models

no code implementations NeurIPS 2014 Hidekazu Oiwa, Ryohei Fujimaki

One of the key challenges in their use is non-convexity in simultaneous optimization of regions and region-specific models.

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