语境是可以用来描述实体状态的任何信息,而语境感知的地理信息检索(Context-Aware Geographical Information Retrieval,CAGIR)是可以通过感知与所检索的地理信息相关的语境,返回更加理想检索结果的检索模式。为了进一步了解其基本原理...语境是可以用来描述实体状态的任何信息,而语境感知的地理信息检索(Context-Aware Geographical Information Retrieval,CAGIR)是可以通过感知与所检索的地理信息相关的语境,返回更加理想检索结果的检索模式。为了进一步了解其基本原理及研究进展,该文综述了语境感知的地理信息检索各方面研究成果:概述了与传统地理信息检索所不同的"语境匹配"思想;明确了语境的定义,并从语境内容和语境表现形式两个角度对语境进行了分类;简述了语境的获取、语境的本体及语义规则的形式表达;讨论了"单语境本体语义操作模型"和"模板语境本体语义操作模型"两类地理信息检索的具体实现模式;总结并形成了语境感知的地理信息检索框架,最后讨论了语境感知地理信息检索的应用现状及发展难点。展开更多
The current study investigated how language context and word frequency influenced vowel perception of Chinese-Japanese cognates among Chinese learners of Japanese.Focusing on orthographic cognates,participants perform...The current study investigated how language context and word frequency influenced vowel perception of Chinese-Japanese cognates among Chinese learners of Japanese.Focusing on orthographic cognates,participants performed a vowel detection task on cognates,manipulating language context and target language(Chinese vs.Japanese),as well as word frequency(high vs.low).We measured reaction times,perceptual sensitivity,and response criterion.For high-frequency words,consistent language contexts facilitated faster vowel detection in both languages.However,in low-frequency conditions,participants showed higher perceptual sensitivity to Chinese targets and more conservative response criteria for Japanese targets,regardless of context.These findings revealed the complex interplay between word frequency,language dominance,and context in cross-language processing.Our study contributed to the understanding of vowel perception in languages with shared orthography but distinct phonological systems,offering insights for models of cross-language cognition and second language education.Furthermore,it highlighted the importance of considering both word frequency and language-specific features in cross-language studies.展开更多
摘要语境是可以用来描述实体状态的任何信息,而语境感知的地理信息检索(Context-Aware Geographical Information Retrieval,CAGIR)是可以通过感知与所检索的地理信息相关的语境,返回更加理想检索结果的检索模式。为了进一步了解其基本原理及研究进展,该文综述了语境感知的地理信息检索各方面研究成果:概述了与传统地理信息检索所不同的"语境匹配"思想;明确了语境的定义,并从语境内容和语境表现形式两个角度对语境进行了分类;简述了语境的获取、语境的本体及语义规则的形式表达;讨论了"单语境本体语义操作模型"和"模板语境本体语义操作模型"两类地理信息检索的具体实现模式;总结并形成了语境感知的地理信息检索框架,最后讨论了语境感知地理信息检索的应用现状及发展难点。
摘要The current study investigated how language context and word frequency influenced vowel perception of Chinese-Japanese cognates among Chinese learners of Japanese.Focusing on orthographic cognates,participants performed a vowel detection task on cognates,manipulating language context and target language(Chinese vs.Japanese),as well as word frequency(high vs.low).We measured reaction times,perceptual sensitivity,and response criterion.For high-frequency words,consistent language contexts facilitated faster vowel detection in both languages.However,in low-frequency conditions,participants showed higher perceptual sensitivity to Chinese targets and more conservative response criteria for Japanese targets,regardless of context.These findings revealed the complex interplay between word frequency,language dominance,and context in cross-language processing.Our study contributed to the understanding of vowel perception in languages with shared orthography but distinct phonological systems,offering insights for models of cross-language cognition and second language education.Furthermore,it highlighted the importance of considering both word frequency and language-specific features in cross-language studies.