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Memetic ant colony optimization for multi-constrained cognitive diagnostic test construction.
Health Inf Sci Syst
December 2024
Department of Psychology, Sun Yat-sen University, Guangzhou, 510006 Guangdong China.
Purpose: Cognitive diagnostic tests (CDTs) assess cognitive skills at a more granular level, providing detailed insights into the mastery profile of test-takers. Traditional algorithms for constructing CDTs have partially addressed these challenges, focusing on a limited number of constraints. This paper intends to utilize a meta-heuristic algorithm to produce high-quality tests and handle more constraints simultaneously.
View Article and Find Full Text PDFMore to legs than meets the eye: Presence and function of pheromone compounds on heliothine moth legs.
J Evol Biol
May 2023
Institute for Biodiversity and Ecosystem Dynamics, University of Amsterdam, Amsterdam, The Netherlands.
Chemical communication is ubiquitous in nature and chemical signals convey species-specific messages. Despite their specificity, chemical signals may not be limited to only one function. Identifying alternative functions of chemical signals is key to understanding how chemical communication systems evolve.
View Article and Find Full Text PDFThe Discovery of Bicyclopyrone.
Chimia (Aarau)
August 2022
Syngenta Crop Protection AG, WST.820.1.15, Schaffhauserstrasse, CH-4332 Stein.
Two short topics were presented in the lecture titled Some Highlights of an Agro Career presented at the Fall Meeting Swiss Chemical Society, September 10th, 2021. The first of these topics discussed the discovery of the selective corn herbicide Bicyclopyrone. The second topic presented was concerned with host marking pheromones (HMPs), and described the HMP of the Mexican fruit fly anastrepha ludens, and its use in crop protection.
View Article and Find Full Text PDFEffect of a synthetic feline facial pheromone product on stress during transport in domestic cats: a randomised controlled pilot study.
J Feline Med Surg
August 2022
Institute of Animal Sciences, Chinese Academy of Agriculture Sciences, Beijing, China.
Objectives: Transport can be a stressful experience for domestic cats. The objective of this study was to evaluate the effect of a new synthetic feline facial pheromone product on relieving stress in domestic cats during short-distance transport.
Methods: A randomised, blinded, placebo-controlled pilot study was conducted.
Neural Network Optimal Routing Algorithm Based on Genetic Ant Colony in IPv6 Environment.
Comput Intell Neurosci
August 2021
Guangzhou Xinhua University, Guangzhou, China.
The traditional IPv6 routing algorithm has problems such as network congestion, excessive energy consumption of nodes, and shortening the life cycle of the network. In response to this phenomenon, we proposed a routing optimization algorithm based on genetic ant colony in IPv6 environment. The algorithm analyzes and studies the genetic algorithm and the ant colony algorithm systematically.
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