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Related Concept Videos

Attribution Theory00:56

Attribution Theory

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Behavior is a product of both the situation (e.g., cultural influences, social roles, and the presence of bystanders) and of the person (e.g., personality characteristics). Subfields of psychology tend to focus on one influence or behavior over others. Situationism is the view that our behavior and actions are determined by our immediate environment and surroundings. In contrast, dispositionism holds that our behavior is determined by internal factors (Heider, 1958).
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Fundamental Attribution Error01:14

Fundamental Attribution Error

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According to some social psychologists, people tend to overemphasize internal factors as explanations—or attributions—for the behavior of other people. They tend to assume that the behavior of another person is a trait of that person, and to underestimate the power of the situation on the behavior of others. They tend to fail to recognize when the behavior of another is due to situational variables, and thus to the person’s state. This erroneous assumption is...
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Attribution01:26

Attribution

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In social interactions, individuals frequently seek to understand the motivations and causes behind others' behaviors. This fundamental aspect of social perception, known as attribution, plays a crucial role in shaping interpersonal relationships and guiding future actions. Attribution refers to the cognitive process through which people infer the reasons behind others' behaviors, allowing them to assess character traits, intentions, and situational influences.Attribution Theory and Its...
299
Personal Choice and Fate Attributions01:19

Personal Choice and Fate Attributions

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Some individuals interpret life events as a consequence of their personal choices and actions, while others believe that outcomes are dictated by fate or destiny. This divergence in perspective has been examined in psychological and cross-cultural studies, particularly in relation to religious faith and cultural beliefs about causality.Fate and Personal ResponsibilityPeople who emphasize personal responsibility view events as direct consequences of their decisions. For instance, breaking a leg...
178
Theory of Attribution I: Correspondent Inference Theory01:15

Theory of Attribution I: Correspondent Inference Theory

591
Correspondent inference theory, proposed by Jones and Davis in 1965, seeks to explain how individuals infer stable personality traits from observed behaviors. It suggests that people attribute actions to underlying dispositions rather than external circumstances, particularly when the behavior appears intentional and socially significant.Voluntary Behavior and Dispositional AttributionAccording to this theory, individuals are more likely to attribute behavior to personal traits when it appears...
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Theory of Attribution II: Kelley's Covariation Theory01:29

Theory of Attribution II: Kelley's Covariation Theory

615
Attribution theory plays a crucial role in social psychology, helping to explain how individuals interpret the causes of behavior. One prominent model within this field is Harold Kelley's covariation theory, which provides a systematic approach to determining whether internal traits or external circumstances drive a person's actions. The model posits that individuals rely on three key types of information—consensus, consistency, and distinctiveness—to make these judgments.Consensus:...
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Related Experiment Video

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Pattern-based Search of Epigenomic Data Using GeNemo
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Hidden Policy Attribute-Based Data Sharing with Direct Revocation and Keyword Search in Cloud Computing.

Axin Wu1,2, Dong Zheng3,4, Yinghui Zhang5,6

  • 1National Engineering Laboratory for Wireless Security, Xi'an University of Posts and Telecommunications, Xi'an 710121, China. waxinsec@163.com.

Sensors (Basel, Switzerland)
|July 6, 2018
PubMed
Summary
This summary is machine-generated.

This study introduces a novel attribute-based data sharing scheme for secure cloud computing. It enables efficient data search and direct attribute revocation while protecting user privacy through hidden policies.

Keywords:
attribute-based encryptioncloud computingdirect revocationhidden policykeyword search

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Area of Science:

  • Computer Science
  • Cryptography
  • Information Security

Background:

  • Attribute-based encryption (ABE) facilitates fine-grained data sharing in open networks.
  • Practical ABE applications face challenges in attribute revocation and efficient data search.
  • Ensuring revoked users cannot access data is critical for security.

Purpose of the Study:

  • To propose a hidden policy attribute-based data sharing scheme.
  • To address attribute revocation and keyword search functionalities.
  • To enhance privacy and security in cloud data sharing.

Main Methods:

  • Developed a novel attribute-based data sharing scheme.
  • Implemented direct attribute revocation without updating non-revoked users' private keys.
  • Integrated a keyword search mechanism with constant search time complexity.

Main Results:

  • The proposed scheme supports efficient keyword search and direct attribute revocation.
  • User privacy is protected by a hidden policy.
  • Security and performance analyses confirm the scheme's effectiveness.

Conclusions:

  • The scheme effectively tackles security and efficiency concerns in cloud computing.
  • It provides a practical solution for secure and searchable data sharing.
  • The hidden policy enhances user privacy in attribute-based systems.