Hiroshi Sakai

Hiroshi Sakai: Chang's Conjecture and weak square. Arch. Math. Log. 52(1-2): 29-45 (2013)

Makoto Kikuchi, Taishi Kurahashi, Hiroshi Sakai: On proofs of the incompleteness theorems based on Berry's paradox by Vopěnka, Chaitin, and Boolos. Math. Log. Q. 58(4-5): 307-316 (2012)

Hiroshi Sakai, Mao Wu, Michinori Nakata, Dominik Slezak: Rough Sets-Based Machine Learning over Non-deterministic Data: A Brief Survey. AMLTA 2012: 3-12

Mao Wu, Naoto Yamaguchi, Michinori Nakata, Hiroshi Sakai: Learning a Table from a Table with Non-deterministic Information: A Perspective. AMLTA 2012: 24-32

Hiroshi Sakai, Michinori Nakata, Dominik Slezak: Management of Information Incompleteness in Rough Non-deterministic Information Analysis. IPMU (1) 2012: 280-289

Tomonori Aoyama, Hiroshi Sakai: Inter-Cloud Computing. Business & Information Systems Engineering 3(3): 173-177 (2011)

Hiroyoshi Yamada, Hiroshi Sakai, Yoshio Yamaguchi: On Array Calibration Technique for Multipath Reference Waves. IEICE Transactions 94-B(5): 1201-1206 (2011)

Aboul Ella Hassanien, Hiroshi Sakai, Dominik Slezak, Mihir K. Chakraborty, William Zhu: Special issue: Rough and Fuzzy Methods for Data Mining. Int. J. Hybrid Intell. Syst. 8(1): 1-2 (2011)

Hiroshi Sakai, Hitomi Okuma, Michinori Nakata, Dominik Slezak: Stable rule extraction and decision making in rough non-deterministic information analysis. Int. J. Hybrid Intell. Syst. 8(1): 41-57 (2011)

Tomonori Aoyama, Hiroshi Sakai: Inter-Cloud-Computing. Wirtschaftsinformatik 53(3): 171-175 (2011)

Hitomi Okuma, Michinori Nakata, Dominik Slezak, Hiroshi Sakai: Properties on inclusion relations and division charts in non-deterministic information systems. GrC 2011: 521-526

Hiroshi Sakai, Michinori Nakata: Toward association rules based decision making in Lipski's Incomplete Information Databases. GrC 2011: 570-575

Hiroshi Sakai, Akira Arutaki: Protocol Enhancement for Near Field Communication (NFC): Future Direction and Cross-Layer Approach. INCoS 2011: 605-610

Takashi Ogawa, Hiroshi Sakai, Yasuhiro Suzuki, Kiyokazu Takagi, Katsuhiro Morikawa: Pedestrian detection and tracking using in-vehicle lidar for automotive application. Intelligent Vehicles Symposium 2011: 734-739

Michinori Nakata, Hiroshi Sakai: Dual Rough Approximations in Information Tables with Missing Values. RSFDGrC 2011: 36-43

Hiroshi Sakai, Michinori Nakata, Dominik Slezak: A Prototype System for Rule Generation in Lipski's Incomplete Information Databases. RSFDGrC 2011: 175-182

Hiroshi Sakai, Michinori Nakata, Dominik Slezak: A NIS-Apriori Based Rule Generator in Prolog and Its Functionality for Table Data. RSKT 2011: 226-231

James F. Peters, Andrzej Skowron, Hiroshi Sakai, Mihir K. Chakraborty, Dominik Slezak, Aboul Ella Hassanien, William Zhu (Eds.): Transactions on Rough Sets XIV. Lecture Notes in Computer Science 6600, Springer 2011, isbn 978-3-642-21562-9

Hiroshi Sakai, Michinori Nakata, Dominik Slezak: The Lower and the Upper Systems of Rules in Tables with Missing Values. FGIT-DTA/BSBT 2010: 132-141

Michinori Nakata, Hiroshi Sakai: Two Rough Approximations for Information Tables Containing Missing Values. GrC 2010: 363-368

Hitomi Okuma, Michinori Nakata, Dominik Slezak, Hiroshi Sakai: An overview of decision making in Rough Non-deterministic Information Analysis. NaBIC 2010: 345-350

Hiroshi Sakai, Michinori Nakata, Dominik Slezak: Rule Generation in Lipski's Incomplete Information Databases. RSCTC 2010: 376-385

Dominik Slezak, Hiroshi Sakai: Automatic Extraction of Decision Rules from Non-deterministic Data Systems: Theoretical Foundations and SQL-Based Implementation. FGIT-DTA 2009: 151-162

Hiroshi Sakai, Hiroshi Kimura, Michinori Nakata: An Overview of a Software Tool in Rough Non-deterministic Information Analysis. ISMVL 2009: 208-213

Michinori Nakata, Hiroshi Sakai: Applying Rough Sets to Information Tables Containing Missing Values. ISMVL 2009: 286-291

Hiroshi Sakai, Kohei Hayashi, Michinori Nakata, Dominik Slezak: The Lower System, the Upper System and Rules with Stability Factor in Non-deterministic Information Systems. RSFDGrC 2009: 313-320

Michinori Nakata, Hiroshi Sakai: Rough Sets under Non-deterministic Information. RSKT 2009: 76-85

Hiroshi Sakai, Mihir K. Chakraborty, Aboul Ella Hassanien, Dominik Slezak, William Zhu (Eds.): Rough Sets, Fuzzy Sets, Data Mining and Granular Computing, 12th International Conference, RSFDGrC 2009, Delhi, India, December 15-18, 2009. Proceedings. Lecture Notes in Computer Science 5908, Springer 2009, isbn 978-3-642-10645-3

Hiroshi Sakai, Kazuhiro Koba, Michinori Nakata: Rough Sets Based Rule Generation from Data with Categorical and Numerical Values. JACIII 12(5): 426-434 (2008)

Hiroshi Sakai: Semistationary and stationary reflection. J. Symb. Log. 73(1): 181-192 (2008)

Michinori Nakata, Hiroshi Sakai: Applying Rough Sets to Information Tables Containing Possibilistic Values. Transactions on Computational Science 2: 180-204 (2008)

Hiroshi Sakai, Ryuji Ishibashi, Kazuhiro Koba, Michinori Nakata: Rules and Apriori Algorithm in Non-deterministic Information Systems. T. Rough Sets 9: 328-350 (2008)

Michinori Nakata, Hiroshi Sakai: Rough sets approximations in data tables containing missing values. FUZZ-IEEE 2008: 673-680

Hiroshi Sakai, Ryuji Ishibashi, Michinori Nakata: Lower and Upper Approximations of Rules in Non-deterministic Information Systems. RSCTC 2008: 299-309

Jin-Kyu Choi, Tetsuya Shiraishi, Toshinari Tanaka, Hiroshi Sakai: A practical and useful autonomous towed vehicle for port area inspection. Advanced Robotics 21(3): 351-370 (2007)

Michinori Nakata, Hiroshi Sakai: Lower and Upper Approximations in Data Tables Containing Possibilistic Information. T. Rough Sets 7: 170-189 (2007)

Hiroshi Sakai, Kazuhiro Koba, Ryuji Ishibashi, Michinori Nakata: On a Rough Sets Based Tool for Generating Rules from Data with Categorical and Numerical Values. MDAI 2007: 269-281

Michinori Nakata, Hiroshi Sakai: Applying Rough Sets to Information Tables Containing Probabilistic Values. MDAI 2007: 282-294

Michinori Nakata, Hiroshi Sakai: Applying Rough Sets to Data Tables Containing Missing Values. RSEISP 2007: 181-191

Hiroshi Sakai, Ryuji Ishibashi, Kazuhiro Koba, Michinori Nakata: On Possible Rules and Apriori Algorithm in Non-deterministic Information Systems: Part 2. RSFDGrC 2007: 280-288

Hiroshi Sakai, Masahiro Inuiguchi: Special Issue on Rough Sets and Granular Computing. JACIII 10(5): 605-605 (2006)

Hiroshi Sakai, Michinori Nakata: An Application of Discernibility Functions to Generating Minimal Rules in Non-Deterministic Information Systems. JACIII 10(5): 695-702 (2006)

Takeshi Nakatsuru, Koji Murakami, Hiroshi Sakai: Context-Aware Information Provision to the Mobile Phone Standby Screen. MDM 2006: 43

Michinori Nakata, Hiroshi Sakai: Applying Rough Sets to Data Tables Containing Imprecise Information Under Probabilistic Interpretation. RSCTC 2006: 213-223

Hiroshi Sakai, Michinori Nakata: On Possible Rules and Apriori Algorithm in Non-deterministic Information Systems. RSCTC 2006: 264-273

Michinori Nakata, Hiroshi Sakai: Applying Rough Sets to Data Tables Containing Possibilistic Information. RSKT 2006: 147-155

Hiroshi Sakai: Generalized Prikry forcing and iteration of generic ultrapowers. Math. Log. Q. 51(5): 507-523 (2005)

Jin-Kyu Choi, Hiroshi Sakai, Toshinari Tanaka: Autonomous Towed Vehicle for Underwater Inspection in a Port Area. ICRA 2005: 188-193

Hiroshi Sakai: On a Rough Sets Based Data Mining Tool in Prolog: An Overview. INAP 2005: 48-65

Michinori Nakata, Hiroshi Sakai: Rough-set-based approaches to data containing incomplete information: possibility-based cases. LAPTEC 2005: 234-241

Hiroshi Sakai, Michinori Nakata: Rough Sets Based Minimal Certain Rule Generation in Non-deterministic Information Systems: An Overview. LAPTEC 2005: 256-263

Hiroshi Sakai, Tetsuya Murai, Michinori Nakata: On a Tool for Rough Non-deterministic Information Analysis and Its Perspective for Handling Numerical Data. MDAI 2005: 203-214

Michinori Nakata, Hiroshi Sakai: Checking Whether or Not Rough-Set-Based Methods to Incomplete Data Satisfy a Correctness Criterion. MDAI 2005: 227-239

Hiroshi Sakai, Michinori Nakata: Discernibility Functions and Minimal Rules in Non-deterministic Information Systems. RSFDGrC (1) 2005: 254-264

Michinori Nakata, Hiroshi Sakai: Rough Sets Handling Missing Values Probabilistically Interpreted. RSFDGrC (1) 2005: 325-334

Hiroshi Sakai: Possible Equivalence Relations and Their Application to Hypothesis Generation in Non-deterministic Information Systems. : 82-106 (2004)

Hiroshi Sakai, Akimichi Okuma: Basic Algorithms and Tools for Rough Non-deterministic Information Analysis. : 209-231 (2004)

Hiroshi Sakai: A Framework of Rough Sets Based Rule Generation in Non-deterministic Information Systems. ISMIS 2003: 143-151

Hiroshi Sakai: Effective Procedures for Handling Possible Equivalence Relations in Non-deterministic Information Systems. Fundam. Inform. 48(4): 343-362 (2001)

Hiroshi Sakai: Two Procedures for Dependencies among Attributes in a Table with Non-deterministic Information: A Summary. JSAI Workshops 2001: 301-305

Hiroshi Sakai, Akimichi Okuma: On a Theorem Prover for Variational Logic Programs with Functors Setu and Sets. International Journal of Uncertainty, Fuzziness and Knowledge-Based Systems 8(1): 73-92 (2000)

Hiroshi Sakai, Akimichi Okuma: An Algorithm for Checking Dependencies of Attributes in a Table with Non-deterministic Information: A Rough Sets Based Approach. PRICAI 2000: 219-229

Hiroshi Sakai, Akimichi Okuma: An Algorithm for Finding Equivalence Relations from Tables with Non-Deterministic Information. RSFDGrC 1999: 64-72

Hiroshi Sakai: Some Issues on Nondeterministic Knowledge Bases with Incomplete and Selective Information. Rough Sets and Current Trends in Computing 1998: 424-431

Hiroshi Sakai, Akimichi Okuma: Applications of Logic Programs with Functor Set to Automated Problem Solving Under Uncertainty. IEA/AIE 1996: 377-382

Yoshiaki Segawa, Hiroshi Sakai, Toshio Endoh, Kazuhito Murakami, Takashi Toriu, Hiroyasu Koshimizu: Face Recognition through Hough Transform for Irises Extraction and Projection Procedures for Parts Localization. PRICAI 1996: 625-636

Shigeaki Iwasa, Shung Ho Shing, Hisashi Mogi, Hiroshi Nozuwe, Hiroo Hayashi, Osamu Wakamori, Takashi Ohmizo, Kuninori Tanaka, Hiroshi Sakai, Mitsuo Saito: SSM-MP: more scalability in shared-memory multi-processor. ICCD 1995: 558-

Hiroshi Sakai: On a Framework for Logic Programming with Incomplete Information. Fundam. Inform. 19(3/4): 223-234 (1993)

Shigeki Shibayama, Hiroshi Sakai, Toshiaki Takewaki, Hidetoshi Monoi, Yukihiro Morita, Hidenori Itoh: Overview of Knowledge Base Mechanism. FGCS 1988: 197-207

Hidetoshi Monoi, Yukihiro Morita, Hidenori Itoh, Toshiaki Takewaki, Hiroshi Sakai, Shigeki Shibayama: Unification-Based Query Language for Relational Knowledge Bases and Its Parallel Execution. FGCS 1988: 896-903

Hidetoshi Monoi, Yukihiro Morita, Hidenori Itoh, Hiroshi Sakai, Shigeki Shibayama: Parallel Control Technique and Performance of an MPPM Knowledge-Base Machine. ICDE 1988: 210-217

Hiroshi Sakai: Inference Methods and Semantics on Or-type Knowledge Bases. LP 1988: 136-155

Hiroshi Sakai, Shigeki Shibayama, Hidetoshi Monoi, Yukihiro Morita, Hidenori Itoh: A Simulation Study of a Knowledge Base Machine Architecture. IWDM 1987: 585-598

Shigeo Kamiya, Kazuhide Iwata, Hiroshi Sakai, Susumu Matsuda, Shigeki Shibayama, Kunio Murakami: A Hardware Pipeline Algorithm for Relational Database Operation and Its Implementation Using Dedicated Hardware. ISCA 1985: 250-257

Hiroshi Sakai, Kazuhide Iwata, Shigeo Kamiya, Masaaki Abe, Akio Tanaka, Shigeki Shibayama, Kunio Murakami: Design and Implementation of the Relational Datbase Engine. FGCS 1984: 419-426