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相关概念视频

Issues And Trends In Healthcare Delivery System01:29

Issues And Trends In Healthcare Delivery System

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The issues and trends in healthcare delivery are constantly changing. The COVID-19 pandemic is one recent issue that wreaked havoc on healthcare systems, causing a shortage of healthcare workers, high demand for medicines and supplies, and increased medical expenditure due to a lack of insurance. Other issues include rising healthcare costs and care fragmentation.
Cost Containment
Payment for healthcare services has historically promoted adoption of costly and often unnecessary or inefficient...
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Genomics02:02

Genomics

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Genomics is the science of genomes: it is the study of all the genetic material of an organism. In humans, the genome consists of information carried in 23 pairs of chromosomes in the nucleus, as well as mitochondrial DNA. In genomics, both coding and non-coding DNA is sequenced and analyzed. Genomics allows a better understanding of all living things, their evolution, and their diversity. It has a myriad of uses: for example, to build phylogenetic trees, to improve productivity and...
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Glycosaminoglycans01:23

Glycosaminoglycans

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Glycosaminoglycans (GAGs), also known as mucopolysaccharides, are long and linear polymers comprising of specific repeating disaccharides - the amino sugar that can be N-acetylglucosamine or N-acetylgalactosamine, and a uronic acid that is usually glucuronic acid or iduronic acid.
GAGS are found in the extracellular matrix of vertebrates, invertebrates, and bacteria. Due to their polar nature they attract water, and serve as excellent lubricants or shock absorbers in an animal body.
Hyaluronic...
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Protein Glycosylation01:25

Protein Glycosylation

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Glycosylation, the most common post-translational modification for proteins, serves diverse functions. Adding sugars to proteins makes the proteins more resistant to proteolytic digestion. Glycosylated proteins can act as markers and receptors to promote cell-cell adhesion. Additionally, they have many essential quality control functions in the cell, such as correct protein folding and facilitating transport of misfolded proteins to the cytosol, which can be degraded.
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Genome Annotation and Assembly03:36

Genome Annotation and Assembly

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The genome refers to all of the genetic material in an organism. It can range from a few million base pairs in microbial cells to several billion base pairs in many eukaryotic organisms. Genome assembly refers to the process of taking the DNA sequencing data and putting it all back together in a correct order to create a close representation of the original genome. This is followed by the identification of functional elements on the newly assembled genome, a process called genome annotation.
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Protein Networks02:26

Protein Networks

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An organism can have thousands of different proteins, and these proteins must cooperate to ensure the health of an organism. Proteins bind to other proteins and form complexes to carry out their functions. Many proteins interact with multiple other proteins creating a complex network of protein interactions.
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相关实验视频

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A Knowledge Graph Approach to Elucidate the Role of Organellar Pathways in Disease via Biomedical Reports
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从生物医学知识图表构建到语义查询:一个全面的方法.

Ling Wang1, Haoyu Hao1, Xue Yan1

  • 1School of Computer Science, Northeast Electric Power University, 169 Changchun Street, Jilin, 132012, China.

Scientific reports
|March 13, 2025
PubMed
概括

这项研究引入了一种新的方法来构建生物医学知识图和查询它们. 生物PLBC模型增强了文本注释,ALEQ算法加快了语义查询,提高了准确性.

关键词:
生物NER 是一个生物NER.数据挖掘是一种数据挖掘.自然语言处理自然语言处理.语义查询 语义查询是一个语义查询.

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科学领域:

  • 生物医学信息学 生物医学信息学
  • 知识表示 知识表示
  • 自然语言处理自然语言处理.

背景情况:

  • 有效地整合和管理复杂的生物医学信息至关重要.
  • 知识图为组织和访问医疗数据提供了强大的解决方案.
  • 生物医学知识图表构建和查询的现有方法需要改进.

研究的目的:

  • 为生物医学知识图表构建和语义查询提供全面的方法.
  • 引入BioPLBC模型,在医学文本中准确地进行实体注释.
  • 为高效和准确的知识图查询开发ALEQ算法.

主要方法:

  • 提出了BioPLBC模型,整合了BioBERT,语音部分和医学实体注释的词汇特征.
  • 开发了适应定位和扩展查询 (ALEQ) 算法,用于知识图查询中的动态子区域扩展.
  • 用一个构建的生物医学知识图来进行算法测试和验证.

主要成果:

  • 与各种数据集的基线模型相比,BioPLBC模型在实体注释方面表现出更高的准确性.
  • ALEQ算法显著提高了查询的准确性和速度.
  • 整个过程的方法为生物医学知识管理提供了一个强大的框架.

结论:

  • 生物PLBC模型和ALEQ算法在生物医学知识图表构建和语义查询方面取得了重大进展.
  • 这项研究有助于更有效,更准确地获取复杂的医疗信息.
  • 开发的方法在临床决策支持和生物医学研究中具有很强的应用潜力.