Results 21 to 30 of about 2,981,525 (278)

Developing Amaia: A Conversational Agent for Helping Portuguese Entrepreneurs—An Extensive Exploration of Question-Matching Approaches for Portuguese

open access: yesInformation, 2020
This paper describes how we tackled the development of Amaia, a conversational agent for Portuguese entrepreneurs. After introducing the domain corpus used as Amaia’s Knowledge Base (KB), we make an extensive comparison of approaches for automatically ...
José Santos   +4 more
doaj   +1 more source

The Variety of Applications of Hermetia illucens in Industrial and Agricultural Areas—Review

open access: yesBiology, 2022
Hermetia illucens (Diptera: Stratiomyidae, Linnaeus, 1978), commonly known as the black soldier fly (BSF), is a saprophytic insect, which in recent years has attracted significant attention from both the scientific community and industry.
Monika Kaczor   +4 more
doaj   +1 more source

Effect of Wood Waste and Sunflower Husk Biochar on Tensile Strength and Porosity of Dystric Cambisol Artificial Aggregates

open access: yesAgronomy, 2020
This paper focuses on the tensile strength (Q) and porosity of Dystric Cambisol cylinders with and without biochars (0.1% or 5% dose) obtained from wood waste (BC1) and sunflower husks (BC2).
Zofia Sokołowska   +5 more
doaj   +1 more source

Exploring Geometric Feature Hyper-Space in Data to Learn Representations of Abstract Concepts

open access: yesApplied Sciences, 2020
The term concept has been a prominent part of investigations in psychology and neurobiology where, mostly, it is mathematically or theoretically represented.
Rahul Sharma   +3 more
doaj   +1 more source

How Reliable Are Ultra-Short-Term HRV Measurements during Cognitively Demanding Tasks?

open access: yesSensors, 2022
Ultra-short-term HRV features assess minor autonomous nervous system variations such as variations resulting from cognitive stress peaks during demanding tasks. Several studies compare ultra-short-term and short-term HRV measurements to investigate their
André Bernardes   +9 more
doaj   +1 more source

A New Approach to Quantifying Bioaccumulation of Elements in Biological Processes

open access: yesBiology, 2021
Bioaccumulation, expressed as the bioaccumulation factor (BAF), is a phenomenon widely investigated in the natural environment and at laboratory scale.
Kinga Proc   +3 more
doaj   +1 more source

K2-290: a warm Jupiter and a mini-Neptune in a triple-star system [PDF]

open access: yesMonthly notices of the Royal Astronomical Society, 2019
We report the discovery of two transiting planets orbiting K2-290 (EPIC 249624646), a bright (V = 11.11) late F-type star residing in a triple-star system. It was observed during Campaign 15 of the K2 mission, and in order to confirm and characterize the
M. Hjorth   +52 more
semanticscholar   +1 more source

Mesorhizobium septentrionale sp nov and Mesorhizobium temperatum sp nov., isolated from Astragalus adsurgens growing in the northern regions of China [PDF]

open access: yes, 2004
Ninety-five rhizobial strains isolated from Astragalus adsurgens growing in the northern regions of China were classified into three main groups, candidate species 1, 11 and 111, based on a polyphasic approach.
Allen   +48 more
core   +1 more source

Planning Sustainable Energy Systems in the Southern African Development Community: A Review of Power Systems Planning Approaches

open access: yesEnergies, 2022
Southern Africa has a huge potential for renewable energy sources such as hydro, solar, wind, biomass, and geothermal. However, electricity access remains a key policy issue for most member states, with a global average access to electricity of only 54 ...
Constantino Dário Justo   +2 more
doaj   +1 more source

Public houses and civic tensions in early modern Bern [PDF]

open access: yes, 2007
This article examines the delicate relationship between the civic privilege of wine retailing and the constitutional emphasis on order in a city republic.
Kümin, Beat A.
core   +1 more source

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