Hiroshi Sakai

Orcid: 0000-0002-0950-7647

According to our database1, Hiroshi Sakai authored at least 144 papers between 1984 and 2023.

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IEEE Fellow

IEEE Fellow 1981, "".

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Bibliography

2023
Kryszkiewicz's Relation for Indiscernibility of Objects in Data Tables Containing Missing Values.
Proceedings of the Rough Sets - International Joint Conference, 2023

Descriptor-Based Information Systems and Rule Learning from Different Types of Data Sets with Uncertainty.
Proceedings of the Integrated Uncertainty in Knowledge Modelling and Decision Making, 2023

Extending Kryszkiewicz's Formula of Missing Values in Terms of Lipski's Approach.
Proceedings of the Integrated Uncertainty in Knowledge Modelling and Decision Making, 2023

2022
Rough Sets and Rule Induction by an Approach Based on Coverings in Information Tables.
J. Multiple Valued Log. Soft Comput., 2022

Uncertainty Quantification in Classifying Complex Geological Facies Using Bayesian Deep Learning.
IEEE Access, 2022

Apriori-based Rule Generation with Three-way Decisions for Heterogeneous and Uncertain Data.
Proceedings of the Joint 12th International Conference on Soft Computing and Intelligent Systems and 23rd International Symposium on Advanced Intelligent Systems, 2022

Structures Derived from Possible Tables in an Incomplete Information Table.
Proceedings of the Joint 12th International Conference on Soft Computing and Intelligent Systems and 23rd International Symposium on Advanced Intelligent Systems, 2022

The Lattice Structure of Coverings in an Incomplete Information Table with Value Similarity.
Proceedings of the Integrated Uncertainty in Knowledge Modelling and Decision Making, 2022

2021
Strong downward Löwenheim-Skolem theorems for stationary logics, II: reflection down to the continuum.
Arch. Math. Log., 2021

Strong downward Löwenheim-Skolem theorems for stationary logics, I.
Arch. Math. Log., 2021

Possible Coverings in Incomplete Information Tables with Similarity of Values.
Proceedings of the Rough Sets - International Joint Conference, 2021

2020
NIS-Apriori-based rule generation with three-way decisions and its application system in SQL.
Inf. Sci., 2020

The weakly compact reflection principle need not imply a high order of weak compactness.
Arch. Math. Log., 2020

An Adjusted Apriori Algorithm to Itemsets Defined by Tables and an Improved Rule Generator with Three-Way Decisions.
Proceedings of the Rough Sets - International Joint Conference, 2020

Granulated Tables with Frequency by Discretization and Their Application.
Proceedings of the Intelligence Science III: 4th IFIP TC 12 International Conference, 2020

2019
A variant of Shelah's characterization of Strong Chang's Conjecture.
Math. Log. Q., 2019

Comparing Two Novel Hybrid MRDM Approaches to Consumer Credit Scoring Under Uncertainty and Fuzzy Judgments.
Int. J. Fuzzy Syst., 2019

Guest Editorial: Rough Sets and Data Mining.
CAAI Trans. Intell. Technol., 2019

Rough set-based rule generation and Apriori-based rule generation from table data sets: a survey and a combination.
CAAI Trans. Intell. Technol., 2019

Rough set-based rule generation and Apriori-based rule generation from table data sets II: SQL-based environment for rule generation and decision support.
CAAI Trans. Intell. Technol., 2019

Rule induction based on rough sets from information tables having continuous domains.
CAAI Trans. Intell. Technol., 2019

On the existence of skinny stationary subsets.
Ann. Pure Appl. Log., 2019

Multi-graded Hybrid MRDM Model for Assisting Financial Performance Evaluation Decisions: A Preliminary Work.
Proceedings of the Rough Sets - International Joint Conference, 2019

Rough Sets Based on Possible Indiscernibility Relations in Incomplete Information Tables with Continuous Values.
Proceedings of the Rough Sets - International Joint Conference, 2019

NIS-Apriori Algorithm with a Target Descriptor for Handling Rules Supported by Minor Instances.
Proceedings of the Integrated Uncertainty in Knowledge Modelling and Decision Making, 2019

Rule Induction Based on Rough Sets from Possibilistic Data Tables.
Proceedings of the Integrated Uncertainty in Knowledge Modelling and Decision Making, 2019

An Apriori-based Data Analysis on Suspicious Network Event Recognition.
Proceedings of the 2019 IEEE International Conference on Big Data (IEEE BigData), 2019

Rough Sets Based on Possibly Indiscernible Classes in Incomplete Information Tables with Continuous Values.
Proceedings of the International Conference on Advanced Intelligent Systems and Informatics 2019, 2019

2018
On Two Apriori-Based Rule Generators: Apriori in Prolog and Apriori in SQL.
J. Adv. Comput. Intell. Intell. Informatics, 2018

On Katětov and Katětov-Blass orders on analytic P-ideals and Borel ideals.
Arch. Math. Log., 2018

Rule Induction Based on Indiscernible Classes from Rough Sets in Information Tables with Continuous Values.
Proceedings of the Rough Sets - International Joint Conference, 2018

Rules Induced from Rough Sets in Information Tables with Continuous Values.
Proceedings of the Information Processing and Management of Uncertainty in Knowledge-Based Systems. Theory and Foundations, 2018

A Model of Rule Generation Handling Granules Defined by Implications in Table Data Sets.
Proceedings of the 2018 IEEE International Conference on Data Mining Workshops, 2018

2017
Stable Rules Evaluation for a Rough-Set-Based Bipolar Model: A Preliminary Study for Credit Loan Evaluation.
Proceedings of the Rough Sets - International Joint Conference, 2017

A Proposal of Machine Learning by Rule Generation from Tables with Non-deterministic Information and Its Prototype System.
Proceedings of the Rough Sets - International Joint Conference, 2017

Rough Sets in Incomplete Information Systems with Order Relations Under Lipski's Approach.
Proceedings of the Rough Sets - International Joint Conference, 2017

2016
Katětov and Katětov-Blass orders on F<sub>σ</sub>-ideals.
Arch. Math. Log., 2016

Rough Approximations from Indiscernibility Relations under Incomplete Information.
Proceedings of the 2016 Joint 8th International Conference on Soft Computing and Intelligent Systems (SCIS) and 17th International Symposium on Advanced Intelligent Systems (ISIS), 2016

On Apriori-Based Rule Generation in SQL - A Case of the Deterministic Information System.
Proceedings of the 2016 Joint 8th International Conference on Soft Computing and Intelligent Systems (SCIS) and 17th International Symposium on Advanced Intelligent Systems (ISIS), 2016

On NIS-Apriori Based Data Mining in SQL.
Proceedings of the Rough Sets - International Joint Conference, 2016

Rough Sets by Indiscernibility Relations in Data Sets Containing Possibilistic Information.
Proceedings of the Rough Sets - International Joint Conference, 2016

Describing Rough Approximations by Indiscernibility Relations in Information Tables with Incomplete Information.
Proceedings of the Information Processing and Management of Uncertainty in Knowledge-Based Systems, 2016

Information Dilution: Granule-Based Information Hiding in Table Data - A Case of Lenses Data Set in UCI Machine Learning Repository.
Proceedings of the Third International Conference on Computing Measurement Control and Sensor Network, 2016

A proposal of a privacy-preserving questionnaire by non-deterministic information and its analysis.
Proceedings of the 2016 IEEE International Conference on Big Data (IEEE BigData 2016), 2016

2015
Granules for association rules and decision support in the getRNIA system.
Intell. Decis. Technol., 2015

Simple proofs of SCH from reflection principles without using better scales.
Arch. Math. Log., 2015

Families of the Granules for Association Rules and Their Properties.
Proceedings of the Rough Sets and Knowledge Technology - 10th International Conference, 2015

On Parallelization of the NIS-apriori Algorithm for Data Mining.
Proceedings of the 19th International Conference in Knowledge Based and Intelligent Information and Engineering Systems, 2015

A Consideration on Learning by Rule Generation from Tables with Missing Values.
Proceedings of the IIAI 4th International Congress on Advanced Applied Informatics, 2015

2014
Application of Rough Set-Based Information Analysis to Questionnaire Data.
J. Adv. Comput. Intell. Intell. Informatics, 2014

Two Rough Set-based Software Tools for Analyzing Non-Deterministic Data.
Int. J. Rough Sets Data Anal., 2014

A survey and perspective connected with rough non-deterministic information analysis.
Int. J. Comput. Intell. Stud., 2014

Apriori-Based Rule Generation in Incomplete Information Databases and Non-Deterministic Information Systems.
Fundam. Informaticae, 2014

Toward the enhancement of the getRNIA system for rough-set based data analysis.
Proceedings of the 2014 Joint 7th International Conference on Soft Computing and Intelligent Systems (SCIS) and 15th International Symposium on Advanced Intelligent Systems (ISIS), 2014

An Approach Based on Rough Sets to Possibilistic Information.
Proceedings of the Information Processing and Management of Uncertainty in Knowledge-Based Systems, 2014

On the Definability of a Set and Rough Set-Based Rule Generation.
Proceedings of the IIAI 3rd International Conference on Advanced Applied Informatics, 2014

The Completeness of NIS-Apriori Algorithm and a Software Tool GetRNIA.
Proceedings of the IIAI 3rd International Conference on Advanced Applied Informatics, 2014

Reconsideration of rules in tables with non-deterministic data.
Proceedings of the 2014 IEEE International Conference on Granular Computing, 2014

Rule induction based on rough sets from possibilistic information under Lipski's approach.
Proceedings of the 2014 IEEE International Conference on Granular Computing, 2014

2013
Structured design concept for cross-layered protocols; applying to near field communication (NFC).
Int. J. Space Based Situated Comput., 2013

Division Charts as Granules and Their Merging Algorithm for Rule Generation in Nondeterministic Data.
Int. J. Intell. Syst., 2013

Twofold rough approximations under incomplete information.
Int. J. Gen. Syst., 2013

Chang's Conjecture and weak square.
Arch. Math. Log., 2013

Non-deterministic Information in Rough Sets: A Survey and Perspective.
Proceedings of the Rough Sets and Knowledge Technology - 8th International Conference, 2013

Rough Set-Based Information Dilution by Non-deterministic Information.
Proceedings of the Rough Sets, Fuzzy Sets, Data Mining, and Granular Computing, 2013

An Overview of the getRNIA System for Non-deterministic Data.
Proceedings of the 17th International Conference in Knowledge Based and Intelligent Information and Engineering Systems, 2013

Rule induction based on rough sets from information tables containing possibilistic information.
Proceedings of the Joint IFSA World Congress and NAFIPS Annual Meeting, 2013

2012
On proofs of the incompleteness theorems based on Berry's paradox by Vopěnka, Chaitin, and Boolos.
Math. Log. Q., 2012

Association rule-based decision making in table data.
Int. J. Reason. based Intell. Syst., 2012

Management of Information Incompleteness in Rough Non-deterministic Information Analysis.
Proceedings of the Advances on Computational Intelligence, 2012

Division charts and their merging algorithm in Rough Non-deterministic information analysis.
Proceedings of the 2012 IEEE International Conference on Granular Computing, 2012

Learning a Table from a Table with Non-deterministic Information: A Perspective.
Proceedings of the Advanced Machine Learning Technologies and Applications, 2012

Rough Sets-Based Machine Learning over Non-deterministic Data: A Brief Survey.
Proceedings of the Advanced Machine Learning Technologies and Applications, 2012

2011
Stable rule extraction and decision making in rough non-deterministic information analysis.
Int. J. Hybrid Intell. Syst., 2011

Special issue: Rough and Fuzzy Methods for Data Mining.
Int. J. Hybrid Intell. Syst., 2011

On Array Calibration Technique for Multipath Reference Waves.
IEICE Trans. Commun., 2011

Inter-Cloud Computing.
Bus. Inf. Syst. Eng., 2011

A NIS-Apriori Based Rule Generator in Prolog and Its Functionality for Table Data.
Proceedings of the Rough Sets and Knowledge Technology - 6th International Conference, 2011

A Prototype System for Rule Generation in Lipski's Incomplete Information Databases.
Proceedings of the Rough Sets, Fuzzy Sets, Data Mining and Granular Computing, 2011

Dual Rough Approximations in Information Tables with Missing Values.
Proceedings of the Rough Sets, Fuzzy Sets, Data Mining and Granular Computing, 2011

Pedestrian detection and tracking using in-vehicle lidar for automotive application.
Proceedings of the IEEE Intelligent Vehicles Symposium (IV), 2011

Protocol Enhancement for Near Field Communication (NFC): Future Direction and Cross-Layer Approach.
Proceedings of the 2011 Third International Conference on Intelligent Networking and Collaborative Systems (INCoS), Fukuoka, Japan, November 30, 2011

Toward association rules based decision making in Lipski's Incomplete Information Databases.
Proceedings of the 2011 IEEE International Conference on Granular Computing, 2011

Properties on inclusion relations and division charts in non-deterministic information systems.
Proceedings of the 2011 IEEE International Conference on Granular Computing, 2011

2010
Rule Generation in Lipski's Incomplete Information Databases.
Proceedings of the Rough Sets and Current Trends in Computing, 2010

An overview of decision making in Rough Non-deterministic Information Analysis.
Proceedings of the Second World Congress on Nature & Biologically Inspired Computing, 2010

Toward Rough Sets Based Rule Generation from Tables with Uncertain Numerical Values.
Proceedings of the Integrated Uncertainty Management and Applications [revised papers from the International Symposium on Integrated Uncertainty Management and Applications, 2010

Two Rough Approximations for Information Tables Containing Missing Values.
Proceedings of the 2010 IEEE International Conference on Granular Computing, 2010

The Lower and the Upper Systems of Rules in Tables with Missing Values.
Proceedings of the Database Theory and Application, Bio-Science and Bio-Technology, 2010

2009
Rough Sets under Non-deterministic Information.
Proceedings of the Rough Sets and Knowledge Technology, 4th International Conference, 2009

The Lower System, the Upper System and Rules with Stability Factor in Non-deterministic Information Systems.
Proceedings of the Rough Sets, 2009

An Overview of a Software Tool in Rough Non-deterministic Information Analysis.
Proceedings of the ISMVL 2009, 2009

Applying Rough Sets to Information Tables Containing Missing Values.
Proceedings of the ISMVL 2009, 2009

Automatic Extraction of Decision Rules from Non-deterministic Data Systems: Theoretical Foundations and SQL-Based Implementation.
Proceedings of the Database Theory and Application, 2009

2008
Rules and Apriori Algorithm in Non-deterministic Information Systems.
Trans. Rough Sets, 2008

Applying Rough Sets to Information Tables Containing Possibilistic Values.
Trans. Comput. Sci., 2008

Semistationary and stationary reflection.
J. Symb. Log., 2008

Rough Sets Based Rule Generation from Data with Categorical and Numerical Values.
J. Adv. Comput. Intell. Intell. Informatics, 2008

Lower and Upper Approximations of Rules in Non-deterministic Information Systems.
Proceedings of the Rough Sets and Current Trends in Computing, 2008

Rough sets approximations in data tables containing missing values.
Proceedings of the FUZZ-IEEE 2008, 2008

2007
Lower and Upper Approximations in Data Tables Containing Possibilistic Information.
Trans. Rough Sets, 2007

A practical and useful autonomous towed vehicle for port area inspection.
Adv. Robotics, 2007

On Possible Rules and Apriori Algorithm in Non-deterministic Information Systems: Part 2.
Proceedings of the Rough Sets, 2007

Applying Rough Sets to Data Tables Containing Missing Values.
Proceedings of the Rough Sets and Intelligent Systems Paradigms, International Conference, 2007

On a Rough Sets Based Tool for Generating Rules from Data with Categorical and Numerical Values.
Proceedings of the Modeling Decisions for Artificial Intelligence, 2007

Applying Rough Sets to Information Tables Containing Probabilistic Values.
Proceedings of the Modeling Decisions for Artificial Intelligence, 2007

Recognition of Road Contours Based on Extraction of 3D Positions of Delineators.
Proceedings of the IEEE Intelligent Transportation Systems Conference, 2007

2006
An Application of Discernibility Functions to Generating Minimal Rules in Non-Deterministic Information Systems.
J. Adv. Comput. Intell. Intell. Informatics, 2006

Special Issue on Rough Sets and Granular Computing.
J. Adv. Comput. Intell. Intell. Informatics, 2006

Applying Rough Sets to Data Tables Containing Possibilistic Information.
Proceedings of the Rough Sets and Knowledge Technology, First International Conference, 2006

On Possible Rules and Apriori Algorithm in Non-deterministic Information Systems.
Proceedings of the Rough Sets and Current Trends in Computing, 2006

Applying Rough Sets to Data Tables Containing Imprecise Information Under Probabilistic Interpretation.
Proceedings of the Rough Sets and Current Trends in Computing, 2006

Context-Aware Information Provision to the Mobile Phone Standby Screen.
Proceedings of the 7th International Conference on Mobile Data Management (MDM 2006), 2006

Rough Sets Approximations to Possibilistic Information.
Proceedings of the IEEE International Conference on Fuzzy Systems, 2006

2005
Generalized Prikry forcing and iteration of generic ultrapowers.
Math. Log. Q., 2005

Discernibility Functions and Minimal Rules in Non-deterministic Information Systems.
Proceedings of the Rough Sets, 2005

Rough Sets Handling Missing Values Probabilistically Interpreted.
Proceedings of the Rough Sets, 2005

On a Tool for Rough Non-deterministic Information Analysis and Its Perspective for Handling Numerical Data.
Proceedings of the Modeling Decisions for Artificial Intelligence, 2005

Checking Whether or Not Rough-Set-Based Methods to Incomplete Data Satisfy a Correctness Criterion.
Proceedings of the Modeling Decisions for Artificial Intelligence, 2005

Rough Sets Based Minimal Certain Rule Generation in Non-deterministic Information Systems: An Overview.
Proceedings of the Advances in Logic Based Intelligent Systems, 2005

Rough-set-based approaches to data containing incomplete information: possibility-based cases.
Proceedings of the Advances in Logic Based Intelligent Systems, 2005

On a Rough Sets Based Data Mining Tool in Prolog: An Overview.
Proceedings of the Declarative Programming for Knowledge Management, 2005

Autonomous Towed Vehicle for Underwater Inspection in a Port Area.
Proceedings of the 2005 IEEE International Conference on Robotics and Automation, 2005

2004
Basic Algorithms and Tools for Rough Non-deterministic Information Analysis.
Trans. Rough Sets, 2004

Possible Equivalence Relations and Their Application to Hypothesis Generation in Non-deterministic Information Systems.
Trans. Rough Sets, 2004

2003
A Framework of Rough Sets Based Rule Generation in Non-deterministic Information Systems.
Proceedings of the Foundations of Intelligent Systems, 14th International Symposium, 2003

2001
Effective Procedures for Handling Possible Equivalence Relations in Non-deterministic Information Systems.
Fundam. Informaticae, 2001

Two Procedures for Dependencies among Attributes in a Table with Non-deterministic Information: A Summary.
Proceedings of the New Frontiers in Artificial Intelligence, 2001

2000
On a Theorem Prover for Variational Logic Programs with Functors Setu and Sets.
Int. J. Uncertain. Fuzziness Knowl. Based Syst., 2000

An Algorithm for Checking Dependencies of Attributes in a Table with Non-deterministic Information: A Rough Sets Based Approach.
Proceedings of the PRICAI 2000, Topics in Artificial Intelligence, 6th Pacific Rim International Conference on Artificial Intelligence, Melbourne, Australia, August 28, 2000

1999
An Algorithm for Finding Equivalence Relations from Tables with Non-Deterministic Information.
Proceedings of the New Directions in Rough Sets, 1999

1998
Some Issues on Nondeterministic Knowledge Bases with Incomplete and Selective Information.
Proceedings of the Rough Sets and Current Trends in Computing, 1998

1996
Face Recognition through Hough Transform for Irises Extraction and Projection Procedures for Parts Localization.
Proceedings of the PRICAI'96: Topics in Artificial Intelligence, 1996

Applications of Logic Programs with Functor Set to Automated Problem Solving Under Uncertainty.
Proceedings of the Industrial and Engineering Applications of Artificial Intelligence and Expert Systems, 1996

1995
SSM-MP: more scalability in shared-memory multi-processor.
Proceedings of the 1995 International Conference on Computer Design (ICCD '95), 1995

1993
On a Framework for Logic Programming with Incomplete Information.
Fundam. Informaticae, 1993

1992
An HDTV bit-rate reduction codec at the STM-1 rate of SDH.
Signal Process. Image Commun., 1992

1988
Inference Methods and Semantics on Or-type Knowledge Bases.
Proceedings of the Logic Programming '88, 1988

Parallel Control Technique and Performance of an MPPM Knowledge-Base Machine.
Proceedings of the Fourth International Conference on Data Engineering, 1988

Overview of Knowledge Base Mechanism.
Proceedings of the International Conference on Fifth Generation Computer Systems, 1988

Unification-Based Query Language for Relational Knowledge Bases and Its Parallel Execution.
Proceedings of the International Conference on Fifth Generation Computer Systems, 1988

1987
A Simulation Study of a Knowledge Base Machine Architecture.
Proceedings of the Database Machines and Knowledge Base Machines, 1987

1985
A Hardware Pipeline Algorithm for Relational Database Operation and Its Implementation Using Dedicated Hardware.
Proceedings of the 12th Annual Symposium on Computer Architecture, 1985

1984
Design and Implementation of the Relational Datbase Engine.
Proceedings of the International Conference on Fifth Generation Computer Systems, 1984


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