With the emergence of applications that require content based similarity retrieval, techniques to support such a retrieval paradigm over database systems have emerged as a critical area of research. User subjectivity is an important aspect of such queries, i.e., which objects are relevant to the user and which are not depends on the perception of the user. Query re\ufb01nement is used to handle user subjectivity in similarity search systems. This paper explores how to enhance database systems with query re\ufb01nement for content-based (similarity) searches in object-relational databases. Query re\ufb01nement is achieved through relevance feedback where the user judges individual result tuples and the system adapts and restructures the query to better re\ufb02ect the users information need. We present a query re\ufb01nement framework and an array of strategies for re\ufb01nement that address di\ufb00erent aspects of the problem. Our experiments demonstrate the e\ufb00ectiveness of the query re\ufb01nement techniques proposed in this paper.<\/p>\n","protected":false},"excerpt":{"rendered":"
With the emergence of applications that require content based similarity retrieval, techniques to support such a retrieval paradigm over database systems have emerged as a critical area of research. User subjectivity is an important aspect of such queries, i.e., which objects are relevant to the user and which are not depends on the perception of […]<\/p>\n","protected":false},"featured_media":0,"template":"","meta":{"msr-url-field":"","msr-podcast-episode":"","msrModifiedDate":"","msrModifiedDateEnabled":false,"ep_exclude_from_search":false,"_classifai_error":"","footnotes":""},"msr-content-type":[3],"msr-research-highlight":[],"research-area":[13563,13555],"msr-publication-type":[193716],"msr-product-type":[],"msr-focus-area":[],"msr-platform":[],"msr-download-source":[],"msr-locale":[268875],"msr-post-option":[],"msr-field-of-study":[],"msr-conference":[],"msr-journal":[],"msr-impact-theme":[],"msr-pillar":[],"class_list":["post-156817","msr-research-item","type-msr-research-item","status-publish","hentry","msr-research-area-data-platform-analytics","msr-research-area-search-information-retrieval","msr-locale-en_us"],"msr_publishername":"","msr_edition":"EDBT 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