Assessing the relationships among tag syntax, semantics, and perceived usefulness

摘要: With the recent interest in socially created metadata as a potentially complementary resource for image description relation to established tools such thesauri and other forms of controlled vocabulary, questions remain about quality reuse value these metadata. This study describes examines set tags using quantitative qualitative methods assesses relationships among categories tags, tag assignment order, users' perceptions usefulness index terms user-contributed tags. The found that provide much descriptive information an but users also trust vocabulary terms. no correlation between length its perceived usefulness. findings this can contribute design vocabularies, indexing processes, retrieval systems images. In particular, advance understanding tagging practices, facet/category distributions, relative importance user, potential mechanisms identifying useful