Results 121 to 130 of about 9,424 (184)

Polaron Delocalization and Transport in Doped Graphene Nanoribbon Thin Films. [PDF]

open access: yesACS Nano
Hermosilla-Palacios MA   +9 more
europepmc   +1 more source

Dynamic Polarization Control of Nonlinear Terahertz Photoresponse via Topological Phase Transitions. [PDF]

open access: yesResearch (Wash D C)
Zhang L   +15 more
europepmc   +1 more source

Effects of Bisphenol A on the Risk of Developing Obesity. [PDF]

open access: yesNutrients
García García M   +2 more
europepmc   +1 more source

Nondeterministic, nonmonotonic logic databases

IEEE Transactions on Knowledge and Data Engineering, 2001
We consider in this paper an extension of Datalog with mechanisms for temporal, nonmonotonic, and nondeterministic reasoning, which we refer to as Datalog++. We show, by means of examples, its flexibility in expressing queries concerning aggregates and data cube.
Giannotti F   +3 more
openaire   +5 more sources

Nonmonotonic Logic II

Journal of the ACM, 1982
Tradmonal logics suffer from the "monotomclty problem"' new axioms never mvahdate old theorems One way to get nd of this problem ts to extend traditional modal logic in the following way The operator M (usually read "possible") is extended so that Mp is true whenever p is consistent with the theory Then any theorem of this form may be mvahdated if ~p ...
openaire   +2 more sources

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