Search Results for author: Sumio Fujita

Found 7 papers, 3 papers with code

Towards Consistency Filtering-Free Unsupervised Learning for Dense Retrieval

no code implementations5 Aug 2023 Haoxiang Shi, Sumio Fujita, Tetsuya Sakai

In addition, consistency filtering often struggles to identify retrieval intentions and recognize query and corpus distributions in a target domain.

Information Retrieval Retrieval

Learned k-NN Distance Estimation

1 code implementation29 Aug 2022 Daichi Amagata, Yusuke Arai, Sumio Fujita, Takahiro Hara

In such analysis, the distances to k nearest neighbors are usually employed, thus its main bottleneck is derived from data retrieval.

Retrieval

BanditRank: Learning to Rank Using Contextual Bandits

no code implementations23 Oct 2019 Phanideep Gampa, Sumio Fujita

In the domain of learning to rank for IR, current deep learning models are trained on objective functions different from the measures they are evaluated on.

Information Retrieval Learning-To-Rank +3

Adapting Visual Question Answering Models for Enhancing Multimodal Community Q&A Platforms

1 code implementation29 Aug 2018 Avikalp Srivastava, Hsin Wen Liu, Sumio Fujita

Specifically, we leverage the success of representation learning for text and images in the visual question answering (VQA) domain, and adapt the underlying concept and architecture for automated category classification and expert retrieval on image-based questions posted on Yahoo!

Community Question Answering General Classification +4

A Short Note on Proximity-based Scoring of Documents with Multiple Fields

1 code implementation11 Sep 2017 Tomohiro Manabe, Sumio Fujita

The BM25 ranking function is one of the most well known query relevance document scoring functions and many variations of it are proposed.

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