Results 121 to 130 of about 19,574,591 (344)

A Memory Model for Concept Hierarchy Representation and Commonsense Reasoning [PDF]

open access: yes, 1993
Most associative memory models perform one level mapping between predefined sets of input and output patterns1 and are unable to represent hierarchical knowledge. Complex AI systems allow hierarchical representation of concepts, but generally do not have
Soon, Hui-Shin Vivien, Tan, Ah-Hwee
core   +1 more source

Optical Chaos Generation and Applications

open access: yesAdvanced Photonics Research, EarlyView.
This review comprehensively examines optical chaos generation via feedback, injection, and optoelectronic methods, emphasizing bandwidth enhancement and time‐delay suppression. Applications include chaos‐synchronized secure communication, physical random number generation, chaotic lidar for cm‐level detection, distributed fiber sensing, and terahertz ...
Wenhui Chen   +8 more
wiley   +1 more source

What happened to the US stock market? Accounting for the last 50 years [PDF]

open access: yes
The extreme volatility of stock market values has been the subject of a large body of literature. Previous research focused on the short run because of a widespread belief that, in the long run, the market reverts to well understood fundamentals.
Adrian Peralta-Alva, Michele Boldrin
core  

Analysis of genetic relationships between broomrape populations from different countries using ISSR markers

open access: yesNotulae Botanicae Horti Agrobotanici Cluj-Napoca
Orobanche cumana, commonly known as sunflower broomrape, poses a significant risk to sunflower cultivation in areas located along the Black Sea and across Europe.
Maria DUCA   +4 more
doaj   +1 more source

Microneedles for Continuous, Minimally Invasive Monitoring: A Technology Overview

open access: yesAdvanced Sensor Research, EarlyView.
This review explores recent advances in electrochemical sensing using microneedles—small, minimally invasive devices that access interstitial fluid for real‐time molecular monitoring. It highlights fabrication methods, materials, and biosensor development, with a focus on aptamer‐based sensing. The review also discusses current applications, challenges,
Guillermo Conejo‐Cuevas   +3 more
wiley   +1 more source

Inventory accelerator in general equilibrium [PDF]

open access: yes
We develop a general-equilibrium model of inventories with explicit micro-foundations by embedding the production-cost-smoothing motive (e.g., Eichenbaum, AER 1989) into an otherwise standard DSGE model.
Pengfei Wang, Yi Wen
core  

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