All Publications
Below is a list of publications in reverse chronological order.

[P17] J.L. Pfaltz,
A Category of "Undirected Graphs": A Tribute to Hartmut Ehrig,
(to appear)

[P17] J.L. Pfaltz,
A Role for Chordless Cycles in the Representation and Retrieval of Information
Proc. of 6th International Workshop on Querying Graph Structured Data (GraphQ 2017)
at EDBT/ICDT 2017,
Venice, (1015)

[P17] J.L. Pfaltz,
Computational Processes that Appear to Model Human Memory
Proc. 4th International Conf.,Algorithms for Computational Biology (AlCoB 2017)
,
LNBI 10252 (2017), 8599
Aveiro, Portugal

[P16] J.L. Pfaltz,
Using Closed Sets to Model Cognitive Behavior
Proc. Australian Conf. on Artificial Life and Computational Intelligence (ACALCI 2016)
,
LNCS 9592, 1326,
Camberra, ACT

[P15a] J.L. Pfaltz,
The Role of Continuous Processes in Cognitive Development
Mathematics for Applications
,
Vol. 4, (2015) 6176

[P15b] J.L. Pfaltz,
Continuous Functions Over Discrete Partial Orders
Mathematics for Applications
,
Vol. 4, (2015) 6176

[P13a] J.L. Pfaltz,
The Irreducible Spine(s) of Discrete Networks
Web Information Systems Engineering  WISW 2013
,
LNCS #6984, Part 2, (104117),
Nanjing, China, Oct. 2013,

[P13b] J.L. Pfaltz,
Mathematical Evolution in Discrete Networks
Mathematics for Applications
,
Vol. 2, (2013) 153167

[PS12] J.L. Pfaltz and Josef Slapal,
Transformations of discrete closure systems
Acta Math. Hungar.
,
Sept.2012 (electronic version), March 2013 (print version).

[P12] J.L. Pfaltz,
Finding the Mule in the Network
Intern. Conf. on Advances in Social Network Analysis and Mining, ASONAM 2012
,
Istanbul, Turkey, August 2012,
9851001

[P11] J.L. Pfaltz,
Mathematical Continuity in Dynamic Social Networks
Third Intern. Conf. on Social Informatics, SocInfo 2011
,
LNCS #6984, (3650),
Singapore, 2011.
Reprinted in "Social Network Analysis and Mining", 2013.

[P08] J.L. Pfaltz,
Establishing Logical Rules from Empirical Data
Intern. Journal on Artificial Intelligence Tools
,
Vol. 17, no. 5 (2008) 9851001

[P07a] J.L. Pfaltz,
What Constitutes a Scientific Database?,
SSDBM, 19th International Conference on Scientific and Statistical
Database Management,,
Banff, Canada, July 2007.

[P07b] J.L. Pfaltz,
Establishing Logical Rules from Empirical Data
ICTAI, 19th International Conference on Tools with Artificial Intelligence
,
Patras, Greece, Oct. 2007.

[P06a] J.L. Pfaltz,
Using Concept Lattices to Uncover Causal Dependencies in Software,
Proc. Int. Conf. on Formal Concept Analysis, Springer LNAI 3874 ,
Dresden, 233247, Feb.. 2006.

[P06b] J.L. Pfaltz,
Logical Implication and Causal Dependency,
ICCS, 14th International Conference on Conceptual Structures,
Springer LNAI 4068,
Aalborg University, Denmark, July 2006, pp 145157 (supplemental volume).

[JP05] Robert E. Jamison, J.L. Pfaltz,
Closure
Spaces that are not Uniquely Generated,
Discrete Applied Math,
147, (2005), 6999,
also in,
Ordinal and Symbolic Data Analysis, OSDA 2000
Brussels, Belgium July 2000.

[P04a] J.L. Pfaltz,
A Category of Discrete Closure Systems,
Spatial representation:Discrete vs. Continuous Computational Models ,
Dagstuhl Seminar 04351, August 2004.

[P04b] J.L. Pfaltz,
A Category of Discrete Partially Ordered Sets,
MidAtlantic Algebra Conf.
George Mason Univ., Fairfax VA, Nov. 2004.

[KP04] Ralph Kopperman and J.L. Pfaltz,
Jordan Surfaces in Discrete Topologies,
IWCIS, 10th Intern'l Workshop on Combinatorial Image Analysis,
Auckland, NZ, Nov. 2004.

[PT02a] J.L. Pfaltz, C. M. Taylor
Closed Set Mining of Biological Data,
BIOKDD 2002, Workshop on Data Mining in Bioinformatics,
(at KDD 2002, Edmonton, Alberta,
July 2002, 4348.

[PT02b] J.L. Pfaltz, C. M. Taylor
Scientific Discovery through Iterative Transformations
of Concept Lattices,
Workshop on Discrete Mathematics and Data Mining,
(at 2nd SIAM Conf. on Data Mining, Arlington VA)
April 2002, 6574.

[P01] J.L. Pfaltz,
Transformations of Concept
Graphs: An Approach to Empirical Induction ,
2nd Intern'l Workshop on Graph Transformation and Visual Modeling Techniques, GTVM 2001,
Satellite Workshop of ICALP 2001, Crete, Greece July 2001, 320326.

[PJ00] J.L. Pfaltz, Robert E. Jamison
Closure Systems and their Structure,
5th Intern'l Seminar on Relational
Methods in Computer Science, RelMiCS 2000, Valcartier, Quebec, Jan.
2000, 121123.
Also found in
Information Sciences, 139(2001) 275286

[PK98a] J.L. Pfaltz, John Karro,
Transformations of Antimatroid Closure Spaces,
Computer Science TR 98013 June
1998.

[PK98b] J.L. Pfaltz, John Karro,
Transformations of Antimatroid Closure Spaces,
Computer Science TR 98017 August 1998.

[PKM97] J.L. Pfaltz, John Karro, Sean McCulloch,
Distance
in AntiMatroids,
Congressus Numerantium 127:522, 1997.

[P96] J.L. Pfaltz,
Closure Lattices,
Discrete Mathematics ,
154:217236, June 1996.

[P95a] J.L. Pfaltz,
Partitions of 2^n,
Congressus Numerantium 109:312, 1995.

[P95b] J.L. Pfaltz,
Partition Coefficients of Acyclic Graphs,
21st Intern'l Workshop on Graph Theoretic Concepts
in Computer Science, Aachen, June 1995 (Springer Verlag, LNCS #1017)
313332.

[P83] J.L. Pfaltz,
Convex Clusters in a Discrete mDimensional Space,
SIAM J. Computing
,
12,(4):734750,
Oct. 1983

[PBC80] J.L. Pfaltz, William J Berman, Edgar M. Cagley
Partialmatch retrieval using indexed descriptor files,
Commun. ACM
,
23,(9):522528,
Sept. 1980

[P75] J.L. Pfaltz,
Representing Graphs by Knuth Trees,
J. ACM
,
22,(3):361366
July 1975

[P72] J.L. Pfaltz,
Graph Structures,
J. ACM
,
19,(3):411422,
April 1972

[P71] J.L. Pfaltz, Convexity in directed graphs,
J. of Comb. Theory, 10(2):143162, Apr. 1971.

[PR69] J.L. Pfaltz, Azriel Rosenfeld
Web Grammars,
Intern. Joint Conf. on Artif. Intell. (IJCAI)
,
(1969)
609620

[PR67] J.L. Pfaltz, Azriel Rosenfeld,
Computer representation of planar regions by their skeletons,
Commun. ACM
,
10,(2):119122
Feb. 1967

[RP66] Azriel Rosenfeld, J.L. Pfaltz,
Sequential Operations in Digital Picture Processing,
J. ACM
,
13,(4):471494
Oct. 1966