Results 21 to 30 of about 3,866,349 (62)

Decision diagrams in machine learning: an empirical study on real-life credit-risk data. [PDF]

open access: yes
Decision trees are a widely used knowledge representation in machine learning. However, one of their main drawbacks is the inherent replication of isomorphic subtrees, as a result of which the produced classifiers might become too large to be ...
Files, CM   +3 more
core  

An Anytime Algorithm for Generalized Symmetry Detection in ROBDDs [PDF]

open access: yes, 2008
Detecting symmetries has many applications in logic synthesis that include, amongst other things, technology mapping, deciding equivalence of Boolean functions when the input correspondence is unknown and finding support-reducing bound sets.
Kettle, Neil   +3 more
core   +1 more source

Building free Binary Decision Diagrams using SAT solvers

open access: yes, 2007
Free Binary Decision Diagrams (FBDDs) are a data structure for the representation of Boolean functions. In contrast to Ordered Binary Decision Diagrams (OBDDs) FBDDs allow different variable orderings along each path.
Görschwin Fey   +2 more
core   +1 more source

Probabilistic Symbolic Simulation and Verification with ⊕-OBDDs [PDF]

open access: yes, 1999
Ordered Binary Decision Diagrams (OBDDs) have already proved useful in the verification of combinational and sequential circuits. Due to limitations of the descriptive power of OBDDs several more general models of Binary Decision Diagrams have been ...
Meinel, Christoph, Sack, Harald
core   +1 more source

On OBDDs for CNFs of bounded treewidth [PDF]

open access: yes, 2014
In this paper we show that a CNF cannot be compiled into an Ordered Binary Decision Diagram (OBDD) of fixed-parameter size parameterized by the primal graph treewidth of the input CNF.
Razgon, Igor
core   +3 more sources

Anytime Algorithms for ROBDD Symmetry Detection and Approximation [PDF]

open access: yes
Reduced Ordered Binary Decision Diagrams (ROBDDs) provide a dense and memory efficient representation of Boolean functions. When ROBDDs are applied in logic synthesis, the problem arises of detecting both classical and generalised symmetries.
Kettle, Neil
core  

Efficient Set Sharing Using ZBDDs [PDF]

open access: yes, 2008
Set sharing is an abstract domain in which each concrete object is represented by the set of local variables from which it might be reachable. It is a useful abstraction to detect parallelism opportunities, since it contains definite information about ...
Mario Méndez-Lojo   +5 more
core   +1 more source

Ordered Binary Decision Diagrams and the Davis-Putnam Procedure

open access: yes, 1994
We compare two prominent decision procedures for propositional logic: Ordered Binary Decision Diagrams (obdds) and the Davis-Putnam procedure. Experimental results indicate that the Davis-Putnam procedure outperforms obdds in hard constraint-satisfaction
Tomás E. Uribe, Mark E. Stickel
core  

OBDDs, SDDs, and circuits of bounded width: completeness matters [PDF]

open access: yes
Ordered Binary Decision Diagrams (OBDDs) are dynamic data structures with many application areas. The literature suggested that OBDDs of bounded width equate to Boolean circuits of bounded pathwidth.
de Colnet, A.   +5 more
core   +1 more source

Error Resilient OBDDs

open access: yes, 2013
Ordered Binary Decision Diagrams (OBDDs) are a widely used data structure for Boolean function manipulation. In particular, OBDDs are commonly used in CAD for the synthesis and verification of integrated circuits.
Lago Lorenzo   +2 more
core   +1 more source

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