摘要: An important dimension of social media discourse is its searchability. A key semiotic resource supporting this function the hashtag, a form tagging that allows microbloggers to embed metadata in posts. While popularly thought as topic-markers, hashtags are able construe range complex meanings texts. This paper uses concept linguistic metafunctions, explore how enact three simultaneous communicative functions: marking experiential topics, enacting interpersonal relationships, and organizing text. Corpus-based analysis patterns 100 million word Twitter corpus used investigate these functions they relate notion search.
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