23 Result(s)
within
Chapter
Shao**ang Zhang
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Chapter and Conference Paper
Adversarial Learning Data Augmentation for Graph Contrastive Learning in Recommendation
Recently, Graph Neural Networks (GNNs) achieve remarkable success in Recommendation. To reduce the influence of data sparsity, Graph Contrastive Learning (GCL) is adopted in GNN-based CF methods for enhancing ...
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Chapter and Conference Paper
Toward More Accurate Heterogeneous Iris Recognition with Transformers and Capsules
As diverse iris capture devices have been deployed, the performance of iris recognition under heterogeneous conditions, e.g., cross-spectral matching and cross-sensor matching, has drastically degraded. Nevert...
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Chapter and Conference Paper
Dual Adversarial Network Based on BERT for Cross-domain Sentiment Classification
Cross-domain sentiment classification uses useful information of the source domain to promote the classification accuracy of the target domain. Although previous approaches consider the effects of aspect infor...
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Chapter and Conference Paper
Discriminative Representation Learning for Cross-Domain Sentiment Classification
Cross-domain sentiment classification aims to solve the lack of labeled data in the target domain by using the knowledge of the source domain. Most existing approaches mainly focus on learning transferable fea...
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Chapter and Conference Paper
Category-Level Adversarial Network for Cross-Domain Sentiment Classification
Cross-domain sentiment classification utilizes useful information in the source domain to improve the sentiment classification accuracy in the target domain which has few or no labeled data. Most existing meth...
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Chapter and Conference Paper
Environmental Temperature and Humidity Adaptability of Polymer-Modified Cement Mortar
It is well known that polymer can improve the performance of cement mortar, e.g., the workability, flexural strength, tensile bond strength, flexibility, and durability. But environmental conditions such as te...
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Chapter
Multi-object Model-Based Multi-atlas Segmentation Constrained Grid Cut for Automatic Segmentation of Lumbar Vertebrae from CT Images
In this chapter, we present a multi-object model-based multi-atlas segmentation constrained grid cut method for automatic segmentation of lumbar vertebrae from a given lumbar spinal CT image. More specifically...
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Chapter and Conference Paper
Affinely Registered Multi-object Atlases as Shape Prior for Grid Cut Segmentation of Lumbar Vertebrae from CT Images
In this paper, we present a method for automatic segmentation of lumbar vertebrae from a given lumbar spinal CT image. More specifically, our automatic lumbar vertebrae segmentation method consists of two step...
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Chapter and Conference Paper
Heart Modeling by Convexity Preserving Segmentation and Convex Shape Decomposition
This paper proposes a convexity-preserving level set (CPLS) and a novel modeling of the heart named Convex Shape Decomposition (CSD) for segmentation of Left Ventricle (LV) and Right Ventricle (RV) from cardia...
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Chapter and Conference Paper
The Influence of Train on the Smoke Movement in Subway Tunnel with Longitudinal Ventilations
The smoke movement in the subway tunnel with train under different longitudinal ventilations was simulated using Fire Dynamics Simulator (FDS) program in this paper. The influence of subway train on the charac...
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Chapter and Conference Paper
Effects of Urban Construction Land Spatial Form on PM2.5 Dispersion
Fine particulate matter (PM2.5) is the major air pollutant in China, leading serious threats to human health. Urban construction land spatial form controls the overall aerodynamic roughness of a city, and effe...
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Chapter and Conference Paper
Research on How to Use OUC Cloud Classroom to Assist Education Development in Tibet
In response to the educational needs in promoting development in Tibet, this paper proposes a set of educational path milestones to assist development in Tibet, including essential factors such as the building...
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Chapter
Introduction to Zirconacycle Chemistry
In this chapter, the scope, mechanism, and recent progress of zirconocene(II)-mediated cyclization reactions are introduced. Zirconocene(II) is a very important reagent for organometallic chemistry, synthetic ...
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Chapter and Conference Paper
Edge Based Segmentation of Left and Right Ventricles Using Two Distance Regularized Level Sets
In this paper, we present a new approach for segmentation of left and right ventricles from cardiac MR images. A two-level-set formulation is proposed which is the extension of distance regularized level set e...
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Chapter
Introduction to Semibullvalenes and Azasemibullvalenes
Semibullvalene (SBV) as well as azasemibullvalene (NSBV) is a class of organic molecules featuring unique polycyclic skeleton. Both SBV and NSBV have attracted much attention to their structures and reactions....
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Chapter
Bulky Nitrile Coordination-Induced Skeleton Rearrangement of Zr-/Si-Containing Metallacycles and Selective Synthesis of 5-Azaindoles
Bulky nitrile coordination-induced Zr–C/Si–C bond cleavage and reorganization of zirconacyclobutene–silacyclobutene complex 3-1, affording zirconacyclopropene–azasilacyclopentadiene complexes 3-2 as only one nitr...
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Chapter
2,6-Diazasemibullvalenes: Synthesis, Structural Characterization, and Theoretical Analysis
Efficient one-pot synthesis and isolation of a series of NSBVs were developed by oxidant-induced C–N bond formation. For the first time, the single-crystal structure of an NSBV (5-1a) was determined and the molec...
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Chapter
Zirconocene-Mediated Cyclization of Bis(alkynyl)silanes and Nitriles: Synthesis of N-Heterocycles and Isolation, Characterization, and Synthetic Application of Zr/Si-Containing Reactive Intermediates
Zirconocene-mediated one-pot multi-component synthesis of 5-azaindole derivatives from bis(alkynyl)silane and three molecules of nitriles were developed. Isolation and characterization of Zr/Si-containing thre...
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Chapter
2,6-Diazasemibullvalenes: Reaction Chemistry and Synthetic Application
The reaction chemistry of 2,6-diazasemibullvalenes has been explored and disclosed, such as C–N bond insertion, rearrangement–cycloaddition, oxidation, and nucleophilic ring-opening reaction. Some reactions e...
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Chapter
Organo-di-Lithio Reagents: Cooperative Effect and Synthetic Applications
The development of organometallic reagents remains one of the most important frontiers in synthetic chemistry. In this review, we summarize our research on the structures, reactions, and synthetic applications...
