Results 61 to 70 of about 10,542,712 (237)

Discovering associations among technologies using modified term frequency inverse document frequency

Boletim da Sociedade Paranaense de Matemática
In the current era of rapid technological advancement, the generation of innovative and efficient ideas requires a thorough understanding of the interrelationships among various technologies. Owing to the vast volume of data embedded within technological domains, automated methods are essential for uncovering meaningful associations.
Mohammadhadi Alaeiyan, Mehdi Alaeiyan, Abolfazl Salemi   +2 more
openaire   +1 more source

Simulation‐Based Analysis of Insert Pull‐Out in Nickel‐Polyurethane Hybrid Foams Using CT‐Derived Geometries

Advanced Engineering Materials, EarlyView.
CT‐based finite element simulations combined with in situ X‐ray computed tomography are used to analyze insert pull‐out in nickel‐coated polymer foams. Despite variations in material parameters, deformation consistently concentrates within a narrow annular region around the insert.
Yannik Bautz, Jonas Fell, Hendrik Jost, Stefan Diebels, Hans‐Georg Herrmann   +4 more
wiley   +1 more source

Spatially Modulated Morphotropic Phase Boundaries in a Compressively Strained Multiferroic Thin Film

Advanced Functional Materials, EarlyView.
ABSTRACT The coexisting rhombohedral‐like (R′, MA) and tetragonal‐like (T′, MC) monoclinic phases in compressively strained bismuth ferrite thin films exhibit exceptional piezoelectric and magnetic properties. While previous studies have largely focused on probing the morphotropic phase boundaries (MPBs) comprising ordered R′/T′ twins, their self ...
Ting‐Ran Liu, Xiangwei Guo, Sajid Husain, Maya Ramesh, Pushpendra Gupta, Darrell Schlom, Ramamoorthy Ramesh, Yu‐Tsun Shao   +7 more
wiley   +1 more source

PENGEMBANGAN CHATBOT ANALISIS DATA MAHASISWA DENGAN TERM FREQUENCY - INVERSE DOCUMENT FREQUENCY DAN LOGISTIC REGRESSION [PDF]

ABSTRAK Perkembangan teknologi informasi mendorong akan kebutuhan mahasiswa dan lembaga pendidikan untuk memahami berbagai macam data akademik, seperti nilai ujian, tingkat kehadiran, dan kinerja belajar.
Hillary, Regina; Universitas Bunda Mulia, Susanto, Melvin Wijaya, Sutanto, Kurniawan, Wijaya, Aliya Cahyanti, Haryanti, Marta Lenah   +4 more
core   +1 more source

Historical Foundation and Practical Guideline for Ferroelectric Switching Kinetic Studies

Advanced Functional Materials, EarlyView.
The P and U pulses in the conventional PUND measurements are not identical because of the interplay between switching current and the measurement circuit components. This circuit effect can lead to a shift in polarization transients and misinterpreted physics in the switching kinetics.
Yi Liang, Pat Kezer, John T. Heron
wiley   +1 more source

Text Categorization Based on Weighted Inverse Document Frequency

, 1994
This paper proposes a new term weighting method called weighted inverse document frequency (WIDF). As its name indicates, WIDF is an extension of IDF (inverse document frequency) to incorporate the term frequency over the collection of texts.
Takenobu Tokunaga, Iwayama Makoto
core  

Frequency conversion based on three-wave parametric solitons [PDF]

, 2010
Parametric three-wave mixing in quadratic nonlinear crystals provides a versatile means of achieving widely tunable frequency conversion of laser light, thus permitting a substantial extension of the wavelength coverage of laser sources across broad ...
Degasperis, Antonio, A. DE GASPERIS, de Angelis, Costantino, Wabnitz, Stefan, DE ANGELIS C, Lombardo, Sara, S. LOMBARDO, CONFORTI M, DE GASPERIS, Antonio, Baronio, Fabio, Matteo Conforti, BARONIO F, Stefan Wabnitz, Sara Lombardo, Costantino De, Conforti, Matteo, Fabio Baronio, Antonio Degasperis   +17 more
core   +1 more source

Advances in Sustainable and Wearable Textile Based Soft Robotics

Advanced Functional Materials, EarlyView.
This Review examines advances in wearable textile‐based soft robotics, focusing on sustainable materials, integrated sensing, and scalable actuation. It discusses manufacturing and system integration across healthcare, assistive robotics, prosthetics, and human–machine interfaces, and highlights key challenges in circular design, including life‐cycle ...
Zahir Abbas, Marzia Dulal, Sophia K. Novoselov, Victoria K. Novoselov, Kostya S. Novoselov, Shaila Afroj, Nazmul Karim   +6 more
wiley   +1 more source

Stock market prediction based on term frequency-inverse document frequency

, 2015
This paper presents a new method to predicting the change of stock prices by utilizing text mining news of the stock market. Term Frequency Inverse Document Frequency (TF- IDF) is one of the most useful and widely used concepts in information retrieval ...
Salim, Naomie, Jarrah, Mu’tasem
core  

Implantable Ionic Memristors Based on Natural Polymer Heterojunctions

Advanced Functional Materials, EarlyView.
We report an implantable natural polymer‐based ionic memristor composed of hyaluronic acid, chitosan, and PDMS. The device achieved 98.94% accuracy in MNIST classification while reducing training time by 36.8% compared with a conventional artificial neural network (ANN).
Dong‐yup Lee, Byung Ik Park, Gihyeon Yim, Hyunjae Yoo, Sangjun Ma, Jundong Park, Jeong‐Yun Sun   +6 more
wiley   +1 more source