 | 2009 |
|---|
| 98 |       | Vladimír Olej,
Petr Hájek:
Municipal Creditworthiness Modelling by Radial Basis Function Neural Networks and Sensitive Analysis of Their Input Parameters.
ICANN (2) 2009: 505-514 |
| 97 | | Petr Cintula,
Petr Hájek:
Complexity Issues in Axiomatic Extensions of Lukasiewicz Logic.
J. Log. Comput. 19(2): 245-260 (2009) |
| 2008 |
|---|
| 96 | | Petr Hájek,
Vladimír Olej:
Municipal Creditworthiness Modelling by Kohonen's Self-organizing Feature Maps and LVQ Neural Networks.
ICAISC 2008: 52-61 |
| 95 | | Petr Hájek,
Vladimír Olej:
Municipal Creditworthiness Modelling by Kohonen's Self-Organizing Feature Maps and Fuzzy Logic Neural Networks.
ICANN (1) 2008: 533-542 |
| 94 | | Manuel Ojeda-Aciego,
Siegfried Gottwald,
Petr Hájek:
Editorial.
Fuzzy Sets and Systems 159(10): 1129-1130 (2008) |
| 93 | | Petr Hájek,
Franco Montagna:
A note on the first-order logic of complete BL-chains.
Math. Log. Q. 54(4): 435-446 (2008) |
| 92 | | Petr Hájek,
Radko Mesiar:
On copulas, quasicopulas and fuzzy logic.
Soft Comput. 12(12): 1239-1243 (2008) |
| 91 | | Petr Hájek:
On arithmetical complexity of fragments of prominent fuzzy predicate logics.
Soft Comput. 12(4): 335-340 (2008) |
| 90 | | Petr Hájek:
Ontological Proofs of Existence and Non-Existence.
Studia Logica 90(2): 257-262 (2008) |
| 2007 |
|---|
| 89 | | Petr Hájek:
Mathematical Fuzzy Logic - a Survey and Some News.
EUSFLAT Conf. (1) 2007: 21-21 |
| 88 | | Petr Cintula,
Petr Hájek,
Rostislav Horcík:
Formal systems of fuzzy logic and their fragments.
Ann. Pure Appl. Logic 150(1-3): 40-65 (2007) |
| 87 | | Petr Hájek:
Mathematical Fuzzy Logic and Natural Numbers.
Fundam. Inform. 81(1-3): 155-163 (2007) |
| 86 | | Petr Hájek:
Complexity of fuzzy probability logics II.
Fuzzy Sets and Systems 158(23): 2605-2611 (2007) |
| 85 | | Vilém Novák,
Siegfried Gottwald,
Petr Hájek:
Selected papers from the International Conference "The Logic of Soft Computing IV" and Fourth workshop of the ERCIM working group on soft computing.
Fuzzy Sets and Systems 158(6): 595-596 (2007) |
| 84 | | Petr Hájek:
On witnessed models in fuzzy logic.
Math. Log. Q. 53(1): 66-77 (2007) |
| 83 | | Petr Hájek:
On witnessed models in fuzzy logic II.
Math. Log. Q. 53(6): 610-615 (2007) |
| 2006 |
|---|
| 82 | | Petr Hájek:
On Fuzzy Theories with Crisp Sentences.
Algebraic and Proof-theoretic Aspects of Non-classical Logics 2006: 194-200 |
| 81 | | Petr Hájek:
What is mathematical fuzzy logic.
Fuzzy Sets and Systems 157(5): 597-603 (2006) |
| 80 | | Petr Hájek:
Computational complexity of t-norm based propositional fuzzy logics with rational truth constants.
Fuzzy Sets and Systems 157(5): 677-682 (2006) |
| 79 | | Petr Hájek:
Mathematical Fuzzy Logic - What It Can Learn from Mostowski and Rasiowa.
Studia Logica 84(1): 51-62 (2006) |
| 2005 |
|---|
| 78 |  | Petr Hájek:
Logics for Data Mining.
The Data Mining and Knowledge Discovery Handbook 2005: 589-602 |
| 77 | | Petr Hájek:
On arithmetic in the Cantor- Lukasiewicz fuzzy set theory.
Arch. Math. Log. 44(6): 763-782 (2005) |
| 76 | | Petr Hájek:
Making fuzzy description logic more general.
Fuzzy Sets and Systems 154(1): 1-15 (2005) |
| 75 | | Didier Dubois,
Siegfried Gottwald,
Petr Hájek,
Janusz Kacprzyk,
Henri Prade:
Terminological difficulties in fuzzy set theory - The case of "Intuitionistic Fuzzy Sets".
Fuzzy Sets and Systems 156(3): 485-491 (2005) |
| 74 | | Matthias Baaz,
Agata Ciabattoni,
Dov M. Gabbay,
Petr Hájek:
Editorial.
Logic Journal of the IGPL 13(4): 363 (2005) |
| 73 | | Petr Hájek:
A non-arithmetical Gödel logic.
Logic Journal of the IGPL 13(4): 435-441 (2005) |
| 72 | | Matthias Baaz,
Agata Ciabattoni,
Dov M. Gabbay,
Petr Hájek:
Editorial.
Logic Journal of the IGPL 13(5): 491 (2005) |
| 71 | | Petr Hájek:
Arithmetical complexity of fuzzy predicate logics - a survey.
Soft Comput. 9(12): 935-941 (2005) |
| 2004 |
|---|
| 70 | | Petr Hájek,
Jan Rauch,
David Coufal,
Thomas Feglar:
The GUHA Method, Data Preprocessing and Mining.
Database Support for Data Mining Applications 2004: 135-153 |
| 69 | | Petr Hájek:
A True Unprovable Formula of Fuzzy Predicate Logic.
Logic versus Approximation 2004: 1-5 |
| 68 | | Siegfried Gottwald,
Petr Hájek:
Editorial.
Fuzzy Sets and Systems 143(1): 1-3 (2004) |
| 2003 |
|---|
| 67 | | Petr Hájek:
Fleas and fuzzy logic: a survey.
EUSFLAT Conf. 2003: 599-603 |
| 66 | | Petr Hájek:
On generalized quantifiers, finite sets and data mining.
IIS 2003: 489-496 |
| 65 | | Petr Hájek:
Relations and GUHA-Style Data Mining II.
RelMiCS 2003: 163-170 |
| 64 | | Petr Hájek,
Martin Holena,
Jan Rauch:
The GUHA Method and Foundations of (Relational) Data Mining.
Theory and Applications of Relational Structures as Knowledge Instruments 2003: 17-37 |
| 63 | | Lluis Godo,
Petr Hájek,
Francesc Esteva:
A Fuzzy Modal Logic for Belief Functions.
Fundam. Inform. 57(2-4): 127-146 (2003) |
| 62 | | Petr Hájek:
Fuzzy Logics with Noncommutative Conjuctions.
J. Log. Comput. 13(4): 469-479 (2003) |
| 61 | | Francesc Esteva,
Lluis Godo,
Petr Hájek,
Franco Montagna:
Hoops and Fuzzy Logic.
J. Log. Comput. 13(4): 532-555 (2003) |
| 60 | | Petr Hájek:
Basic fuzzy logic and BL-algebras II.
Soft Comput. 7(3): 179-183 (2003) |
| 59 | | Petr Hájek:
Observations on non-commutative fuzzy logic.
Soft Comput. 8(1): 38-43 (2003) |
| 58 | | Petr Hájek,
Martin Holena:
Formal logics of discovery and hypothesis formation by machine.
Theor. Comput. Sci. 292(2): 345-357 (2003) |
| 2002 |
|---|
| 57 | | Petr Hájek:
Observations on the monoidal t-norm logic.
Fuzzy Sets and Systems 132(1): 107-112 (2002) |
| 56 | | Josep Maria Font,
Petr Hájek:
On Lukasiewicz's Four-Valued Modal Logic.
Studia Logica 70(2): 157-182 (2002) |
| 55 | | Petr Hájek:
A New Small Emendation of Gödel's Ontological Proof.
Studia Logica 71(2): 149-164 (2002) |
| 54 | | Petr Hájek:
Monadic Fuzzy Predicate Logics.
Studia Logica 71(2): 165-175 (2002) |
| 2001 |
|---|
| 53 | | Lluis Godo,
Petr Hájek,
Francesc Esteva:
A Fuzzy Modal Logic for Belief Functions.
IJCAI 2001: 723-732 |
| 52 | | Petr Hájek,
Zuzana Haniková:
A Set Theory within Fuzzy Logic.
ISMVL 2001: 319-323 |
| 51 | | Petr Hájek:
Relations in GUHA Style Data Mining.
RelMiCS 2001: 81-87 |
| 50 | | Petr Hájek,
John C. Shepherdson:
A note on the notion of truth in fuzzy logic.
Ann. Pure Appl. Logic 109(1-2): 65-69 (2001) |
| 49 | | Matthias Baaz,
Petr Hájek,
Franco Montagna,
Helmut Veith:
Complexity of t-tautologies.
Ann. Pure Appl. Logic 113(1-3): 3-11 (2001) |
| 48 | | Petr Hájek,
Sauro Tulipani:
Complexity of Fuzzy Probability Logics.
Fundam. Inform. 45(3): 207-213 (2001) |
| 47 | | Petr Hájek,
Lluis Godo,
Siegfried Gottwald:
Editorial.
Fuzzy Sets and Systems 124(3): 269-270 (2001) |
| 46 | | Petr Hájek:
On very true.
Fuzzy Sets and Systems 124(3): 329-333 (2001) |
| 45 | | Petr Hájek:
Fuzzy Logic and Arithmetical Hierarchy III.
Studia Logica 68(1): 129-142 (2001) |
| 2000 |
|---|
| 44 | | Francesc Esteva,
Lluis Godo,
Petr Hájek,
Mirko Navara:
Residuated fuzzy logics with an involutive negation.
Arch. Math. Log. 39(2): 103-124 (2000) |
| 43 | | Petr Hájek,
Dagmar Harmancová:
A Hedge for Gödel Fuzzy Logic.
International Journal of Uncertainty, Fuzziness and Knowledge-Based Systems 8(4): 495-498 (2000) |
| 42 | | Petr Hájek,
Jeff B. Paris,
John C. Shepherdson:
The Liar Paradox and Fuzzy Logic.
J. Symb. Log. 65(1): 339-346 (2000) |
| 41 | | Petr Hájek,
Jeff B. Paris,
John C. Shepherdson:
Rational Pavelka Predicate Logic Is A Conservative Extension of Lukasiewicz Predicate Logic.
J. Symb. Log. 65(2): 669-682 (2000) |
| 40 | | Didier Dubois,
Petr Hájek,
Henri Prade:
Knowledge-Driven versus Data-Driven Logics.
Journal of Logic, Language and Information 9(1): 65-89 (2000) |
| 1999 |
|---|
| 39 | | Petr Hájek,
Jan Rauch:
Logics and Statistics for Association Rules and Beyond Abstract of Tutorial.
PKDD 1999: 586-587 |
| 38 | | Petr Hájek:
Ten Questions and One Problem on Fuzzy Logic.
Ann. Pure Appl. Logic 96(1-3): 157-165 (1999) |
| 37 | | Lluis Godo,
Petr Hájek:
Fuzzy inference as deduction.
Journal of Applied Non-Classical Logics 9(1): (1999) |
| 1998 |
|---|
| 36 | | Petr Hájek:
Trakhtenbrot Theorem and Fuzzy Logic.
CSL 1998: 1-8 |
| 35 | | Petr Hájek,
Martin Holena:
Formal Logics of Discovery and Hypothesis Formation by Machine.
Discovery Science 1998: 291-302 |
| 34 | | Petr Hájek:
Ten claims about fuzzy logic.
Soft Comput. 2(1): 14-15 (1998) |
| 33 | | Petr Hájek:
Basic fuzzy logic and BL-algebras.
Soft Comput. 2(3): 124-128 (1998) |
| 32 | | Matthias Baaz,
Petr Hájek,
David Svejda,
Jan Krajícek:
Embedding Logics into Product Logic.
Studia Logica 61(1): 35-47 (1998) |
| 1997 |
|---|
| 31 | | Milan Daniel,
Petr Hájek,
Phuong Hoang Nguyen:
CADIAG-2 and MYCIN-like systems.
Artificial Intelligence in Medicine 9(3): 241-259 (1997) |
| 30 | | Petr Hájek,
Jeff B. Paris:
A dialogue on fuzzy logic.
Soft Comput. 1(1): 3-5 (1997) |
| 29 | | Petr Hájek:
Fuzzy Logic and Arithmetical Hierarchy, II.
Studia Logica 58(1): 129-141 (1997) |
| 1995 |
|---|
| 28 | | Jirí Wiedermann,
Petr Hájek:
Mathematical Foundations of Computer Science 1995, 20th International Symposium, MFCS'95, Prague, Czech Republic, August 28 - September 1, 1995, Proceedings
Springer 1995 |
| 27 | | Petr Hájek,
Dagmar Harmancová:
Medical Fuzz;y Expert Systems and Reasoning about Beliefs.
AIME 1995: 403-404 |
| 26 | | Petr Hájek:
Fuzzy Logic From The Logical Point of View.
SOFSEM 1995: 31-49 |
| 25 | | Petr Hájek,
Lluis Godo,
Francesc Esteva:
Fuzzy logic and probability.
UAI 1995: 237-244 |
| 24 | | Petr Hájek,
Dagmar Harmancová,
Rineke Verbrugge:
A qualitative fuzzy possibilistic logic.
Int. J. Approx. Reasoning 12(1): 1-19 (1995) |
| 1994 |
|---|
| 23 | | Petr Hájek:
Possibilistic Logic as Interpretability Logic.
IPMU 1994: 273-280 |
| 22 | | Petr Hájek,
Dagmar Harmancová,
Francesc Esteva,
Pere Garcia,
Lluis Godo:
On Modal Logics for Qualitative Possibility in a Fuzzy Setting.
UAI 1994: 278-285 |
| 21 | | Petr Hájek,
Richard Zach:
Review of Leonard Bolc and Piotr Borowik: Many-valued Logics: 1. Theoretical Foundations.
Journal of Applied Non-Classical Logics 4(2): (1994) |
| 1993 |
|---|
| 20 | | Petr Hájek,
Dagmar Harmancová:
A Comparative Fuzzy Modal Logic.
FLAI 1993: 27-34 |
| 19 | | Petr Hájek:
Epistemic Entrenchment and Arthmetical Hierarchy (Abstract).
Kurt Gödel Colloquium 1993: 41-42 |
| 18 | | Petr Hájek:
Epistemic Entrenchment and Arithmetical Hierarchy.
Artif. Intell. 62(1): 79-87 (1993) |
| 1992 |
|---|
| 17 | | Petr Hájek,
David Harmanec:
On Belief Functions.
Advanced Topics in Artificial Intelligence 1992: 286-307 |
| 16 | | Petr Hájek:
On Logics of Approximate Reasoning.
Logic at Work 1992: 17-29 |
| 1989 |
|---|
| 15 | | Petr Hájek,
Antonín Kucera:
On Recursion Theory in I Sigma1.
J. Symb. Log. 54(2): 576-589 (1989) |
| 1985 |
|---|
| 14 | | Petr Hájek:
Combining Functions for Certainty Degrees in Consulting Systems.
International Journal of Man-Machine Studies 22(1): 59-76 (1985) |
| 1983 |
|---|
| 13 | | Petr Hájek:
Arithmetical Interpretations of Dynamic Logic.
J. Symb. Log. 48(3): 704-713 (1983) |
| 1982 |
|---|
| 12 | | Petr Hájek:
Applying Artificial Intelligence to Data Analysis.
ECAI 1982: 149-150 |
| 1981 |
|---|
| 11 | | Petr Hájek:
Making Dynamic Logic First-Order.
MFCS 1981: 287-295 |
| 10 | | Petr Hájek,
P. Kurka:
A second-order dynamic logic with array assignments.
Fundam. Inform. 4(4): 919-934 (1981) |
| 9 | | Petr Hájek:
Introduction.
International Journal of Man-Machine Studies 15(3): 251 (1981) |
| 8 | | Petr Hájek:
Decision Problems of Some Statistically Motivated Monadic Modal Calculi.
International Journal of Man-Machine Studies 15(3): 351-358 (1981) |
| 1979 |
|---|
| 7 | | Petr Hájek:
Arithmetical Hierarchy and Complexity of Computation.
Theor. Comput. Sci. 8: 227-237 (1979) |
| 1977 |
|---|
| 6 | | Petr Hájek:
Arithmetical Complexity of Some Problems in Computer Science.
MFCS 1977: 282-287 |
| 5 | | Petr Hájek,
Tomás Havránek:
On Generation of Inductive Hypotheses.
International Journal of Man-Machine Studies 9(4): 415-438 (1977) |
| 4 | | Petr Hájek:
Experimental Logics and pi03 Theories.
J. Symb. Log. 42(4): 515-522 (1977) |
| 1976 |
|---|
| 3 | | Petr Hájek:
Observationsfunktorenkalküle und die Logik der automatisierten Forschung.
Elektronische Informationsverarbeitung und Kybernetik 12(4/5): 181-186 (1976) |
| 1975 |
|---|
| 2 | | Petr Hájek:
On Logics of Discovery.
MFCS 1975: 30-45 |
| 1973 |
|---|
| 1 | | Petr Hájek:
Some Logical Problems of Automated Research.
MFCS 1973: 85-93 |
