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Zero-Shot Recommender Systems
[article]
2021
arXiv
pre-print
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Performance of recommender systems (RS) relies heavily on the amount of training data available. This poses a chicken-and-egg problem for early-stage products, whose amount of data, in turn, relies on the performance of their RS. On the other hand, zero-shot learning promises some degree of generalization from an old dataset to an entirely new dataset. In this paper, we explore the possibility of zero-shot learning in RS. We develop an algorithm, dubbed ZEro-Shot Recommenders (ZESRec), that is
arXiv:2105.08318v2
fatcat:tbpnyiaefrhnlnlwsjqj3qlmbu
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... rained on an old dataset and generalize to a new one where there are neither overlapping users nor overlapping items, a setting that contrasts typical cross-domain RS that has either overlapping users or items. Different from categorical item indices, i.e., item ID, in previous methods, ZESRec uses items' natural-language descriptions (or description embeddings) as their continuous indices, and therefore naturally generalize to any unseen items. In terms of users, ZESRec builds upon recent advances on sequential RS to represent users using their interactions with items, thereby generalizing to unseen users as well. We study three pairs of real-world RS datasets and demonstrate that ZESRec can successfully enable recommendations in such a zero-shot setting, opening up new opportunities for resolving the chicken-and-egg problem for data-scarce startups or early-stage products.
An Assisted Diagnosis Model for Cancer Patients Based on Federated Learning
2022
Frontiers in Oncology
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by: Shahid Mumtaz, Instituto de Telecomunicações, Portugal Reviewed by: Marcin Wozniak, Silesian University of Technology, Poland Omar Abu Arqub, Al-Balqa Applied University, Jordan Copyright © 2022 Ma ...
Machine Intelligence. (2021). doi: 10.13140/RG.2.2.22395.95524 CrossRef Full Text | Google Scholar Keywords: cancer, machine learning, federated learning, cancer recurrence, diagnostic model Citation: Ma ...
doi:10.3389/fonc.2022.860532
pmid:35311106
pmcid:PMC8928102
doaj:fdb3fceabc5e4652bfbc17143aa0afa5
fatcat:zq7atfzlonhpzmqbw2ajjo4ryu
Preparation and Properties of Corrosion-Resistant Coatings From Waterborne Polyurethane Modified Epoxy Emulsion
2019
Frontiers in Materials
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., inorganic additives) are often applied as corrosion inhibitors or fillers (Hao et al., 2012; Ma et al., 2012b; Cheek et al., 2013; Liang et al., 2013; Suleiman et al., 2014; Das et al., 2017) . ...
Water Resistance The water resistance test was characterized by the water absorption rate and determined by the weighing method as follows (Ma et al., 2012a) . ...
doi:10.3389/fmats.2019.00185
fatcat:gcsvunvty5c3da65ir5kl2q5ze
A Substantia Innominata-midbrain Circuit Controls a General Aggressive State
[article]
2020
bioRxiv
pre-print
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Animals display various aggressive behaviors essential for survival, while uncontrollable attacks and abnormal aggressive states have massive social costs. Neural circuits regulating specific forms of aggression under defined conditions have been described, but whether there are circuits governing a general aggressive state to promote diverse aggressive behaviors remains unknown. Here, we found that posterior substantia innominata (pSI) neurons responded to multiple aggression-provoking cues
doi:10.1101/2020.04.22.047670
fatcat:h4knr4bflfcjrju3gotthamnsu
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... h graded activity of differential dynamics, predicting the aggressive state and the topography of aggression in mice. Activation of pSI neurons projecting to the periaqueductal gray (PAG) increased aggressive arousal and robustly initiated/promoted all the types of aggressive behavior examined in an activity level-dependent manner. Inactivation of the pSI circuit largely blocked diverse aggressive behaviors, but not mating. By encoding a general aggressive state, the pSI-PAG circuit universally drives multiple aggressive behaviors and thus may provide a potential target for alleviating human pathological aggression.
Galton's Family Heights Data Revisited
[article]
2015
arXiv
pre-print
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M. (1986), The History of Statistics: The Measurement of Uncertainty before 1900, Cambridge, MA: Harvard University Press. Stigler, S. ...
arXiv:1508.02942v1
fatcat:woja2e32s5f2ldedgrug7mdxmi
KeyVec: Key-semantics Preserving Document Representations
[article]
2017
arXiv
pre-print
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Previous studies have demonstrated the empirical success of word embeddings in various applications. In this paper, we investigate the problem of learning distributed representations for text documents which many machine learning algorithms take as input for a number of NLP tasks. We propose a neural network model, KeyVec, which learns document representations with the goal of preserving key semantics of the input text. It enables the learned low-dimensional vectors to retain the topics and
arXiv:1709.09749v1
fatcat:qglnky6mj5ewlntybbtfl6czji
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... rtant information from the documents that will flow to downstream tasks. Our empirical evaluations show the superior quality of KeyVec representations in two different document understanding tasks.
Bioinformatics analysis of genetic variants of endoplasmic reticulum aminopeptidase 1 in ankylosing spondylitis
2017
Molecular Medicine Reports
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According to the results of the first genome-wide association study of ankylosing spondylitis (AS), endoplasmic reticulum aminopeptidase 1 (ERAP1) may serve an important role. However, a number of case-control studies have not been able to replicate this result using the same genetic markers. In the present study, the role of common genetic variants of ERAP1 in AS was investigated using two-stage bioinformatics analysis. In the first stage, a classical metaanalysis was performed to assess AS
doi:10.3892/mmr.2017.7417
pmid:28901420
pmcid:PMC5865822
fatcat:rchwuiyt7vfbdbjrh65tm5j7xm
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... ceptibility markers in ERAP1 using data from available published case-control association studies. The summary odds ratios for 10 single nucleotide polymorphisms (SNPs) were observed to be statistically significant in different studies. In the second stage, the functional effects of these genetic ERAP1 variants were investigated using prediction tools and structural analyses. The K528R (rs30187) substitution SNP in ERAP1 was termed as likely damaging by PolyPhen-2 software, was observed to be located close to the entrance of the substrate pocket, and was predicted to contribute to reduced ERAP1 aminopeptidase activity. In addition, the R725Q (rs17482078) SNP, which was an additional potentially damaging substitution, was suggested to decrease the enzymatic activity of ERAP1, as this substitution may lead to the loss of two hydrogen bonds between R725 and D766 and affect the stability of the C-terminus of ERAP1. In conclusion, the results of the two-stage bioinformatics analysis supported the hypothesis that ERAP1 may present an important susceptibility gene for AS. In addition, the results revealed that two functional SNPs (rs30187 and rs17482078) demonstrated the potential to decrease the enzymatic activity of ERAP1 by affecting its protein structure. Further protein structure-guided studies of the specificity and activity of these ERAP1 variants are therefore warranted.
Emergence of Maximal Symmetry
[article]
2018
arXiv
pre-print
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An emergent global symmetry of the composite sector (called maximal symmetry) can soften the ultraviolet behavior of the Higgs potential and also significantly modify its structure. We explain the conditions for the emergence of maximal symmetry as well as its main consequences. We present two simple implementations and generalize both to N-site as well as full warped extra dimensional models. The gauge symmetry of these models enforces the emergence of maximal symmetry. The corresponding Higgs
arXiv:1810.07704v1
fatcat:ijhlaer7tvbglpiafe3odhnzx4
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... potentials have unique properties: one case minimizes the tuning while the other allows heavy top partners evading direct LHC bounds.
Luna: Linear Unified Nested Attention
[article]
2021
arXiv
pre-print
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The dataset is pre-processed following (Ma, 2020) , using the scripts from FairSeq package 4 . ...
For APOLLO, following Ma (2020) , we decayed the learning rate at the 300, 000 and 450, 000 updates by decay rate 0.1. ...
arXiv:2106.01540v2
fatcat:yia3iqkgarglfdxcnvtleivzoa
NeurMiPs: Neural Mixture of Planar Experts for View Synthesis
[article]
2022
arXiv
pre-print
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We present Neural Mixtures of Planar Experts (NeurMiPs), a novel planar-based scene representation for modeling geometry and appearance. NeurMiPs leverages a collection of local planar experts in 3D space as the scene representation. Each planar expert consists of the parameters of the local rectangular shape representing geometry and a neural radiance field modeling the color and opacity. We render novel views by calculating ray-plane intersections and composite output colors and densities at
arXiv:2204.13696v1
fatcat:avwydopuqvfirofnoa43sy4ule
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... ntersected points to the image. NeurMiPs blends the efficiency of explicit mesh rendering and flexibility of the neural radiance field. Experiments demonstrate superior performance and speed of our proposed method, compared to other 3D representations in novel view synthesis.
MicroRNA-211 suppresses prostate cancer proliferation by targeting SPARC
2018
Oncology Letters
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membrane (Beyotime Institute of Biotechnology), blocked in 5% fat-free milk at room temperature for 1 h and incubated with primary antibodies anti-SPARC (1:1,000; cat. no. ab207743; Abcam, Cambridge, MA ...
doi:10.3892/ol.2018.7877
pmid:29541199
pmcid:PMC5835857
fatcat:4hzaxlfh2vblnb45ngoqdzs2mm
Conformal Mapping for Multiple Terminals
[article]
2015
arXiv
pre-print
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Conformal mapping is an important mathematical tool in many physical and engineering fields, especially in electrostatics, fluid mechanics, classical mechanics, and transformation optics. However in the existing textbooks and literatures, it is only adopted to solve the problems which have only two terminals. Two terminals with electric potential differences, pressure difference, optical path difference, etc., can be mapped conformally onto a solvable structure, e.g., a rectangle, where the two
arXiv:1511.02639v1
fatcat:poflq6ekorhc3ao7km5lspwbzq
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... terminals are mapped onto two opposite edges of the rectangle. Here we show a conformal mapping method for multiple terminals, which is more common in practical applications. Through accurate analysis of the boundary conditions, additional terminals or boundaries are folded in the inner of the mapped rectangle. Then the solution will not be influenced. The method is described in several typical situations and two application examples are detailed. The first example is an electrostatic actuator with three electrodes. A previous literature dealt with this problem by approximately treat the three electrodes as two electrodes. Based on the proposed method, a preciser result is achieved in our paper. The second example is a light beam splitter designed by transformation optics, which is recently attracting growing interests around the world. The splitter has three ports, one for input and two for output. Based on the proposed method, a relatively simple and precise solution compared with previously reported results is obtained.
Collaboration Diversity and Scientific Impact
[article]
2018
arXiv
pre-print
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The shift from individual effort to collaborative output has benefited science, with scientific work pursued collaboratively having increasingly led to more highly impactful research than that pursued individually. However, understanding of how the diversity of a collaborative team influences the production of knowledge and innovation is sorely lacking. Here, we study this question by breaking down the process of scientific collaboration of 32.9 million papers over the last five decades. We
arXiv:1806.03694v1
fatcat:hzvtlxeoqvbzjd5mvffzr6klqe
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... that the probability of producing a top-cited publication increases as a function of the diversity of a team of collaborators---namely, the distinct number of institutions represented by the team. We discover striking phenomena where a smaller, yet more diverse team is more likely to generate highly innovative work than a relatively larger team within one institution. We demonstrate that the synergy of collaboration diversity is universal across different generations, research fields, and tiers of institutions and individual authors. Our findings suggest that collaboration diversity strongly and positively correlates with the production of scientific innovation, giving rise to the potential revolution of the policies used by funding agencies and authorities to fund research projects, and broadly the principles used to organize teams, organizations, and societies.
Pose Estimation Based on 3D Models
[article]
2015
arXiv
pre-print
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In this paper, we proposed a pose estimation system based on rendered image training set, which predicts the pose of objects in real image, with knowledge of object category and tight bounding box. We developed a patch-based multi-class classification algorithm, and an iterative approach to improve the accuracy. We achieved state-of-the-art performance on pose estimation task.
arXiv:1506.06274v1
fatcat:qakgbusu4bacxacdof62ojwiqa
Chemical Constituents ofSambucusL
2012
Youji huaxue
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The plants of Sambucus L. have good medical values, most of the roots and fruits can be used as medicine. In this review, the constituents including flavones, triterpenes, iridoid glycosides, phenols and phenolic glycosides, lignans, cyanophoric glycosides being covered during the recent twenty years are summarized. The inhibitory action of HIV-RT, antivirus, antiphlogosis, and labor pain activities are introduced in brief. On this basis, the medicine prospections of Sambucus L. are also prospected.
doi:10.6023/cjoc201204025
fatcat:5bce2q62yrfzpgjobvp7iai5ky
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