Results 61 to 70 of about 2,553,529 (294)

Human iPSC‐Derived Tissue‐Engineered Nigrostriatal Pathway for Chronic Restoration of Dopaminergic Axon Tracts in a Rat Parkinson's Model

Advanced Healthcare Materials, EarlyView.
Inspired by conventional cell therapy and emerging bioengineering approaches, the tissue‐engineered nigrostriatal pathway (TE‐NSP) has an anatomically‐inspired design comprising a population of human dopaminergic neurons with unidirectional, long‐projecting axon tracts.
Wisberty J. Gordián‐Vélez, Dimple Chouhan, Kevin D. Browne, James Lim, Saarang P. Karandikar, Rodrigo A. España, John E. Duda, H. Isaac Chen, D. Kacy Cullen   +8 more
wiley   +1 more source

Cold-Start Recommendation towards the Era of Large Language Models (LLMs): A Comprehensive Survey and Roadmap [PDF]

Cold-start problem is one of the long-standing challenges in recommender systems, focusing on accurately modeling new or interaction-limited users or items to provide better recommendations.
Yang, Liangwei, Caverlee, James, King, Irwin, Li, Yinghui, Zhou, Sheng, Wang, Yu, Bu, Jiajun, Yu, Philip S., Karray, Fakhri, Zou, Henry Peng, Zhang, Weizhi, Bei, Yuanchen, Wang, Jianling, Huang, Feiran, Lin, Allen, Liu, Aiwei, Chen, Hao, Zhou, Peilin   +17 more
core   +2 more sources

A Meta-adversarial Framework for Cross-Domain Cold-Start Recommendation

Data Science and Engineering
The cold-start problem in recommender systems has been facing a great challenge. Cross-domain recommendation can improve the performance of cold-start user recommendations in the target domain by using the rich information of users in the source domain ...
Yufang Liu, Shaoqing Wang, Xueting Li, Fuzhen Sun   +3 more
doaj   +1 more source

Meta-Learning with Graph Community Detection for Cold-Start User Clustering

Applied Sciences
The cold-start problem remains a significant challenge in recommendation systems, particularly in scenarios involving new users or items with insufficient historical interaction data, which severely limits the effectiveness of personalised ...
Heyu Wang, Yang Dai, Wei Wang
doaj   +1 more source

Hemocompatible Glycogen‐Tissue Plasminogen Activator Complexes for Enhanced Blood Clot Dissolution

Advanced Healthcare Materials, EarlyView.
Glycogen–heparin‐cRGD nanoparticles enable targeted delivery of tissue plasminogen activator (tPA) to thrombi through activated platelet recognition. The hemocompatible hybrids minimize interactions with blood and immune cells while retaining enzymatic biodegradability.
Nadiia Davydiuk, Vaidehi Londhe, Susanne Boye, Martin Müller, Carsten Werner, Manfred F. Maitz, Quinn A. Besford   +6 more
wiley   +1 more source

Matrix Co-Factorization for Cold-Start Recommendation

, 2018
Song recommendation from listening counts is now a classical problem, addressed by different kinds of collaborative filtering (CF) techniques. Among them, Poisson matrix factorization (PMF) has raised a lot of interest, since it seems well-suited to the implicit data provided by listening counts.
Gouvert, Olivier, Oberlin, Thomas, Févotte, Cédric   +2 more
openaire   +4 more sources

Domain-Level Disentanglement Framework Based on Information Enhancement for Cross-Domain Cold-Start Recommendation

Recommender systems in various applications often encounter the challenge of cold-start, which refers to how to provide recommendations for completely new users. Cross-domain recommendation offers a solution to address this cold-start issue by leveraging
Rong, Nian, Xiong, Fei, Wu, Jia, Rong, N, Wang, L, Xiong, F, Luo, Guixun, Wu, J, Pan, Shirui, Luo, G, Wang, Liang, Pan, S   +11 more
core   +1 more source

Neuronal Uptake of Nano‐Sized PMMA Orthopedic Wear Particles in a Compartmentalized Microfluidic Model Revealed by Label‐Free Confocal Raman Microscopy

Advanced Healthcare Materials, EarlyView.
Nano‐sized orthopedic implant‐derived particles interact with sensory neurons, with poly(methyl methacrylate) (PMMA)‐associated signal detected in neuronal somata following selective axonal exposure in compartmentalized microfluidic cultures. Label‐free confocal Raman microscopy provides complementary chemical evidence of PMMA‐associated material in ...
Marina Couto, Ana Carolina Monteiro, Maria Gomez‐Lazaro, Cristina Ribeiro, Estrela Neto, Daniela Pereira de Vasconcelos, Meriem Lamghari   +6 more
wiley   +1 more source

Facing the cold start problem in recommender systems

Expert Systems with Applications, 2014
A recommender system (RS) aims to provide personalized recommendations to users for specific items (e.g., music, books). Popular techniques involve content-based (CB) models and collaborative filtering (CF) approaches. In this paper, we deal with a very important problem in RSs: The cold start problem.
Blerina Lika, Kostas Kolomvatsos, Stathes Hadjiefthymiades   +2 more
openaire   +2 more sources

Thermodynamic Limits to Molecular Doping in Conjugated Polymers: A Perspective on Phase Behavior and Miscibility

Advanced Materials, EarlyView.
Molecular doping of conjugated polymers is fundamentally constrained by thermodynamic phase behavior. This Perspective reframes doping efficiency and stability in terms of miscibility limits, binodals, and solvus boundaries, highlighting the role of effective interaction parameters and charge transfer.
Somayeh Kashani, Justin Neu, Sung‐Joo Kwon, Runqio Song, Zixuan Chen, Tajah Trapier, Paschalis Gkoupidenis, David Ginger, Wei You, Jasper J. Michels, Harald Ade   +10 more
wiley   +1 more source