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Retrieval01:12

Retrieval

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Retrieval is the process of getting information out of memory storage and back into conscious awareness. This ability is essential for daily tasks like brushing hair and teeth, driving to work, and performing job duties. Retrieval occurs in three ways: recall, recognition, and relearning.
Recall involves accessing information without cues, such as during an essay test, where individuals must retrieve facts and concepts from memory unaided. Another example is remembering the name of a colleague...
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In the secretory pathway, vesicles transport proteins from one cellular compartment to another in forward transport to deliver the protein to its correct location. Occasionally, misfolded proteins and incorrect proteins escape their original compartments, and a retrieval pathway is used to return the escaped proteins to their original compartment.
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Phase-Contrast Microscopes
In-phase-contrast microscopes, interference between light directly passing through a cell and light refracted by cellular components is used to create high-contrast, high-resolution images without staining. It is the oldest and simplest type of microscope that creates an image by altering the wavelengths of light rays passing through the specimen. Altered wavelength paths are created using an annular stop in the condenser. The annular stop produces a hollow cone of...
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Neurotransmitters play a crucial role in the communication between neurons in the autonomic nervous system. Neurons in the autonomic nervous system can be cholinergic or adrenergic depending on the neurotransmitters synthesized. Cholinergic neurons use acetylcholine as their primary neurotransmitter. This includes all the preganglionic fibers of the sympathetic and pre- and postganglionic fibers of the parasympathetic nervous systems. In addition, neurons of the somatic nervous system also use...
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Leukocytes are classified into two groups based on the presence or absence of cytoplasmic granules. Granular leukocytes, which contain granules, belong to the myeloid lineage and are divided into three subtypes: neutrophils, eosinophils, and basophils. These cells are roughly spherical and characterized by the granules in their cytoplasm.
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The bones of the human skeletal system are of varied shapes, sizes, and functions. They can be classified based on their shape and function into four major classes: long bones, short bones, flat bones, and irregular bones. Some classifications include a fifth type, the sesamoid bones, as a separate class, whereas others categorize them under short bones.
Long and Short Bones
The appendicular skeleton, particularly the upper and lower limbs, is primarily made of long and short bones. The...
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マルチラベル特許分類のためのコントラスティブ学習強化型検索拡張少数ショットフレームワーク

Wenlong Zheng1, Xin Li2, Guoqing Cui2,3

  • 1Ningbo University of Finance and Economics, School of Finance and Information, Ningbo, Zhejiang, China.

PloS one
|January 21, 2026
PubMed
まとめ

本研究は、マルチラベル特許分類のための検索拡張少数ショット学習フレームワークを導入し、スケーラビリティを向上させ、注釈コストを削減します。この手法は、特に表現の少ない技術カテゴリの分類性能を大幅に向上させます。

キーワード:
マルチラベル分類特許分類少数ショット学習検索拡張学習コントラスティブ学習知的財産分析自然言語処理

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科学分野:

  • 知的財産分析
  • 機械学習
  • コンピュータサイエンス

背景:

  • 特許データベースは急速に拡大しており、マルチラベル特許分類に課題が生じています。
  • 従来の С方法では、高い注釈コスト、スケーラビリティ、および意味的な特許構造の把握が困難です。

研究 の 目的:

  • 検索拡張少数ショット学習を用いたスケーラブルなマルチラベル特許分類フレームワークを開発すること。
  • 特許固有のコントラスティブ事前学習と意味検索を組み込むことにより、既存手法の限界に対処すること。

主な方法:

  • コントラスティブ事前学習と意味検索を組み合わせた検索拡張少数ショット学習フレームワーク。
  • マルチラベル共起パターンを捉えるドメイン適応埋め込み。
  • 注釈依存性を低減するための構造化推論による検索拡張少数ショット学習。

主要な成果:

  • ドローン特許データセットでMacro-F1 0.847およびMicro-F1 0.892を達成し、少数ショットベースラインをそれぞれ30%、23%上回りました。
  • コントラスティブ事前学習は、トランスフォーマーベースの手法と比較して、表現の少ないカテゴリのパフォーマンスを最大16%向上させました。
  • マルチラベル分類の精度と効率の大幅な改善を示しました。

結論:

  • 提案されたフレームワークは、マルチラベル特許分類のための効果的かつリソース効率の高いソリューションを提供します。
  • 知的財産分析のスケーラビリティとアクセシビリティを向上させます。
  • 複雑な特許データに対するコントラスティブ学習と検索の組み合わせの利点を強調しています。