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  1. No Access

    Chapter and Conference Paper

    Aggregate Reverse Rank Queries

    Recently, reverse rank queries have attracted significant research interest. They have real-life applicability, such as in marketing analysis and product placement. Reverse k-ranks queries return users (prefer...

    Yuyang Dong, Hanxiong Chen, Kazutaka Furuse in Database and Expert Systems Applications (2016)

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    Chapter and Conference Paper

    Efficient Processing of Aggregate Reverse Rank Queries

    Given two data sets of user preferences and product attributes in addition to a set of query products, the aggregate reverse rank (ARR) query returns top-k users who regard the given query products as the high...

    Yuyang Dong, Hanxiong Chen, Kazutaka Furuse in Database and Expert Systems Applications (2017)

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    Chapter

    Bound-and-Filter Framework for Aggregate Reverse Rank Queries

    Finding top-rank products based on a given user’s preference is a user-view rank model that helps users to find their desired products. Recently, another query processing problem named reverse rank query has a...

    Yuyang Dong, Hanxiong Chen, Kazutaka Furuse in Transactions on Large-Scale Data- and Know… (2018)

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    Chapter and Conference Paper

    NGNC: A Flexible and Efficient Framework for Error-Tolerant Query Autocompletion

    Query autocompletion (QAC) is an important feature that automatically completes a query and saves users’ keystrokes. It has been widely adopted in Web search engines, desktop search, input method editors, etc....

    Yukai Miao, Jianbin Qin, Sheng Hu in Software Foundations for Data Interoperabi… (2020)

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    Chapter and Conference Paper

    Quality Control for Hierarchical Classification with Incomplete Annotations

    Hierarchical classification requires annotations with hierarchical class structures. Although crowdsourcing services are inexpensive ways to collect annotations for hierarchical classification, the results are...

    Masafumi Enomoto, Kunihiro Takeoka in Advances in Knowledge Discovery and Data M… (2021)

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    Chapter and Conference Paper

    Entity Matching with String Transformation and Similarity-Based Features

    Entity matching is an important task in common data cleaning and data integration problems of determining two records that refer to the same real-world entity. Many research use string similarity as features t...

    Kazunori Sakai, Yuyang Dong in Software Foundations for Data Interoperabi… (2022)

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    Chapter and Conference Paper

    CAGAIN: Column Attention Generative Adversarial Imputation Networks

    Imputation for missing values is a key operation in building data analysis models. In this paper, we target numerical and categorical values in tabular data. While previous studies have demonstrated the effect...

    Jun Kawagoshi, Yuyang Dong, Takuma Nozawa in Database and Expert Systems Applications (2023)

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    Chapter and Conference Paper

    QA-Matcher: Unsupervised Entity Matching Using a Question Answering Model

    Entity matching (EM) is a fundamental task in data integration, which involves identifying records that refer to the same real-world entity. Unsupervised EM is often preferred in real-world applications, as la...

    Shogo Hayashi, Yuyang Dong, Masafumi Oyamada in Advances in Knowledge Discovery and Data M… (2023)