Results 131 to 140 of about 31,193 (295)

Coating Artificial Spider Silk Fiber with Magnetic FeCo: An Effective Strategy for Creating a Flexible Magneto‐Responsive Material

open access: yesAdvanced Functional Materials, EarlyView.
An original method is presented for producing artificial spider silk fibers with magnetic and magnetomechanical responsiveness, which consists in coating them with a nanometer‐thick layer of FeCo alloy by sputtering deposition. The challenge of combining organic materials and inorganic magnetic nanostructures is addressed, thus taking a step forward ...
Filippo Lanaro   +5 more
wiley   +1 more source

Research on the TF–IDF algorithm combined with semantics for automatic extraction of keywords from network news texts

open access: yesJournal of Intelligent Systems
As the number of online news texts continues to increase, the algorithm of automatic keyword extraction becomes a key content in facilitating users’ fast access to the desired content.
Wang Yan
doaj   +1 more source

Discovering associations among technologies using modified term frequency inverse document frequency

open access: yesBoletim 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   +2 more
openaire   +1 more source

Historical Foundation and Practical Guideline for Ferroelectric Switching Kinetic Studies

open access: yesAdvanced 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

Exciton Binding Energy of Phosphorescent Emitter Molecules in Organic Light‐Emitting Diodes

open access: yesAdvanced Functional Materials, EarlyView.
Energy level alignment is key to efficient OLED design, yet determining LUMO energies remains challenging. A methodology based on field‐induced dissociation and kinetic Monte Carlo simulations is presented to extract LUMO energies of iridium‐based phosphorescent emitters from their exciton binding energy.
Hiroki Tomita   +6 more
wiley   +1 more source

Implementasi Metode Term Frequency Inverse Document Frequency (Tf-Idf) pada Sistem Temu Kembali Informasi

open access: yes, 2008
This writing final duty aim to comprehend a Term Frequency Inverse Document Frequency (TF-IDF) document weighting method and to develop an software to implement it. This software could facilitate user to get the relevant documents based on the entered
Zafikri, Atika
core  

Swelling‐Induced Stress‐Assisted Transfer of Nanodiamond Arrays With a PVA Carrier Tape for Conformal Bio‐Integrated Sensing and Labelling

open access: yesAdvanced Functional Materials, EarlyView.
This work introduces a swelling‐induced, stress‐assisted water‐soluble PVA tape strategy to transfer‐print nanodiamond quantum‐sensor arrays onto soft, curved biological interfaces. The room‐temperature, water‐triggered process achieves >98% fidelity and residue‐free integration, enabling conformal quantum sensing on contact lenses, neural probes, and ...
Luyao Zhang   +9 more
wiley   +1 more source

Analisis Sentimen Twitter dengan Klasifikasi Naïve Bayes menggunakan Seleksi Fitur Mutual Information dan Inverse Document Frequency

open access: yes, 2017
Penelitian ini bertujuan untuk mengklasifikasi data tweet pada Twitter menjadi 3 sentimen yaitu positif, negatif, dan netral. Data yang digunakan dalam penelitian ini sebanyak 3195 yang terdiri atas 1065 tweet positif, 1065 tweet negatif, dan 1065 ...
Putra, Riky Sutriadi
core  

Detection Of phishing URLs using a Term Frequency Inverse Document Frequency (TF-IDF).

open access: yesInternational Journal For Multidisciplinary Research
Phishing attacks continue to pose a threat to online security as hackers employ more sophisticated tactics to trick users into revealing sensitive information. One common method is creating fake login URLs that mimic legitimate websites, making it challenging for users to distinguish between safe and dangerous links.
Sibhathallah M -, Sathya Srinivas D -
openaire   +1 more source

3D Printing Innovations in Polymeric Porous and Patterned Architecture

open access: yesAdvanced Functional Materials, EarlyView.
Polymeric foams occupy a unique structural space between dense solids and open networks, where engineered void fraction governs mechanical compliance, thermal resistance, and mass transport. Additive manufacturing now enables precise spatial control over cellular architecture, unlocking designer foam structures across applications spanning crash ...
Dhanush Patil   +13 more
wiley   +1 more source

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