Results 221 to 230 of about 5,740 (277)

The revision of baphetids from the Middle Pennsylvanian of the Czech Republic: Morphology, ontogeny, palaeoecology, and the reassessment of the phylogeny of Baphetoidea

The Anatomical Record, EarlyView.
Abstract The baphetoids represent a clade of the Carboniferous stem‐tetrapods (Middle Mississippian—Middle Pennsylvanian) with a characteristic extension of the orbits into antorbital vacuities, which formed keyhole‐shaped openings on the skull. The more derived baphetids were crocodile‐like piscivores frequently occurring in coal‐bearing lacustrine ...
Pavel Barták, Martin Ivanov, Boris Ekrt
wiley   +1 more source

Detection, characterization, and phylogenetic analysis of novel astroviruses from endemic Malagasy fruit bats. [PDF]

Virol J
Horigan S, Kettenburg G, Kistler A, Ranaivoson HC, Andrianiaina A, Andry S, Raharinosy V, Randriambolamanantsoa TH, Tato CM, Lacoste V, Heraud JM, Dussart P, Brook CE.   +12 more
europepmc   +1 more source

Histology and fossil diagenesis of a pterosaur tooth from the Crato Formation (Lower Cretaceous of Brazil)

The Anatomical Record, EarlyView.
Abstract Pterosaur dental biology remains poorly understood despite its importance for comprehending feeding strategies and flight adaptations. Here, we present the first comprehensive histological analysis of an ornithocheiriform pterosaur tooth from the Lower Cretaceous Crato Formation (Santana Group, Northeast Brazil).
Tito Aureliano, Matheus P. S. Rocha, Francisco P. Lima‐Filho, Aline M. Ghilardi   +3 more
wiley   +1 more source

Emergence and evolution of epizootic hemorrhagic disease virus in the Mediterranean region: spatio-temporal dynamics and epidemiological insights. [PDF]

Front Vet Sci
Arbi M, Harigua-Souiai E, Hanachi M, Larbi I, Chaouch M, Rjaibi D, Diouani MF, Benkahla A, Souiai O.   +8 more
europepmc   +1 more source

Quality of experience-aware application deployment in fog computing environments using machine learning. [PDF]

PeerJ Comput Sci
Jenifer P, Angela Jennifa Sujana J.
europepmc   +1 more source

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The Range Skyline Query

Proceedings of the 27th ACM International Conference on Information and Knowledge Management, 2018
The range skyline query retrieves the dynamic skyline for every individual query point in a range by generalizing the point-based dynamic skyline query. Its wide-ranging applications enable users to submit their preferences within an interval of 'ideally sought' values across every dimension, instead of being limited to submit their preference in ...
Theodoros Tzouramanis, Eleftherios Tiakas, Apostolos N. Papadopoulos, Yannis Manolopoulos   +3 more
openaire   +1 more source

Probabilistic skyline queries

Proceedings of the 18th ACM conference on Information and knowledge management, 2009
The ability to deal with uncertain information is becoming increasingly important for modern database applications. Whereas a conventional (certain) object is usually represented by a vector from a multidimensional feature space, an uncertain object is represented by a multivariate probability density function (PDF).
Christian Böhm 0001, Frank Fiedler, Annahita Oswald, Claudia Plant, Bianca Wackersreuther   +4 more
openaire   +1 more source

Interactive skyline queries

Information Sciences, 2012
When issuing user-specific queries, users often present vague and imprecise information needs. Skyline queries with an intuitive query formulation mechanism identify the most interesting objects for incomplete user preferences. However, the applicability of skyline queries suffers from a severe drawback because incomplete user preferences often lead to
Jongwuk Lee, Gae-won You, Seung-won Hwang, Joachim Selke, Wolf-Tilo Balke   +4 more
openaire   +2 more sources

Skyline queries with constraints: Integrating skyline and traditional query operators

Data & Knowledge Engineering, 2010
Multi-objective optimization has been extensively studied in the machine learning literature. And recently the database community adapted the concept as skyline queries focusing mainly on retrieving optimal values from the full-space. In this paper, we consider sub-space skyline queries in a more general database environment, such that the skyline ...
Ming Zhang, Reda Alhajj
openaire   +1 more source

On Possibilistic Skyline Queries

2011
This paper deals with Skyline queries in the context of possilistic databases, where uncertain attribute values are represented by possibility distributions. In this framework, Skyline queries aim at computing the extent to which any tuple from a given relation is possibly/certainly not dominated by any other tuple from that relation.
Bosc, Patrick, Hadjali, Allel, Pivert, Olivier   +2 more
openaire   +2 more sources