Results 51 to 60 of about 86,056 (174)

The Dichotomy of Conjunctive Queries on Probabilistic Structures

open access: yes, 2007
We show that for every conjunctive query, the complexity of evaluating it on a probabilistic database is either \PTIME or #\P-complete, and we give an algorithm for deciding whether a given conjunctive query is \PTIME or #\P-complete.
Dalvi, Nilesh, Suciu, Dan
core   +4 more sources

A MODEL STUDY OF THE INFLUENCE OF THE SHAPE OF VARIABLE-PHASE FIELD DISTRIBUTION AREAS ON ANTENNA RADIATION

open access: yesНадежность и качество сложных систем
Background. In radio engineering systems for various purposes, microwave antennas with a radiation pattern of a sector type are used to solve problems at maximum ranges in a wide range of angles.
A.N. Yakimov
doaj   +1 more source

Impact of Powered Knee-Ankle Prosthesis on Low Back Muscle Mechanics in Transfemoral Amputees: A Case Series

open access: yesFrontiers in Neuroscience, 2018
Regular use of prostheses is critical for individuals with lower limb amputations to achieve everyday mobility, maintain physical and physiological health, and achieve a better quality of life.
Chandrasekaran Jayaraman   +13 more
doaj   +1 more source

Veiksmažodžio gramatinės kategorijos ir baltų kalbos

open access: yesBaltistica, 2011
VERBAL GRAMMATICAL CATEGORIES AND THE BALTIC LANGUAGESL. PALMAITISSummaryThe article deals with the definition and hierarchy of the verbal categories in Baltic which are the following seven: 1.
Letas Palmaitis
doaj   +1 more source

A Type-coherent, Expressive Representation as an Initial Step to Language Understanding

open access: yes, 2019
A growing interest in tasks involving language understanding by the NLP community has led to the need for effective semantic parsing and inference. Modern NLP systems use semantic representations that do not quite fulfill the nuanced needs for language ...
Kim, Gene Louis, Schubert, Lenhart
core   +1 more source

On Generalized Records and Spatial Conjunction in Role Logic

open access: yes, 2004
We have previously introduced role logic as a notation for describing properties of relational structures in shape analysis, databases and knowledge bases.
Kuncak, Viktor, Rinard, Martin
core   +4 more sources

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