Global ETD Search
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Showing 1 to 5 of 5 for “"Search log"”.
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A study of language models for exploiting user feedback in Information Retrieval
… users provide contextual information about their search needs, with the goal of improving retrieval accuracy and achieving personalization. Relevance feedback has been studied extensively, and in recent years new types of feedback such as implicit feedback and collective feedback have attracted …
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Analysis of Search on Clinical Narrative within the EHR
… way to reduce information overload is through a search utility. However, traditional, free-text search engines within the EHR can potentially miss documents that do not contain the query but that are relevant to the clinical user's search. This dissertation aims at addressing this gap by …
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Computational user intent modeling
… for any information service system (e.g., search engines, recommender systems, and computational advertising) to optimize its service to the end users. The level of user understanding directly determines the upper bound of optimality that such a system can achieve when assisting its users. …
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Influence mining from unstructured big data
… factors (e.g., the user may conduct many searches related to a popular event or related to some community of interest), and 2) through user-generated content that are directly/indirectly related to the external factors (e.g. the user may tweet about a particular event). To capture these …
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Task-based user profiling for query refinement (toque)
The information needs of search engine users vary in complexity. Some simple needs can be satisfied by using a single query, while complicated ones require a series of queries spanning a period of time. A search task, consisting of a sequence of search queries serving the same information need, can …