Author Archives: ekanoulas

Session Search

Information Retrieval (IR) research has traditionally focused on serving the best results for a single query— so-called ad hoc retrieval. However, users typically search iteratively, refining and reformulating their queries during a session. A key challenge in the study of … Continue reading

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A Short Survey on Search Evaluation

Evaluation has always been the cornerstone of scientific development. Scientists come up with hypotheses (models) to explain physical phenomena, and validate these models by comparing their output to observations in nature. A scientific field consists then merely by a collection … Continue reading

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From Patients Dossiers to Structured Forms

Hospitals need to provide information to many external parties (e.g. tumor registration to IKNL, statistics to clinical auditing institutes such as DICA, information to health insurance companies etc.). Often this requires filling in predefined forms for all eligible patients/cases. Being … Continue reading

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Aldo Lipani visits ILPS

Aldo Lipani is visiting me for a month. Aldo is a PhD Student at the Vienna University of Technology working on evaluation in Information Retrieval. Aldo’s main focus is on improving the reliability of the test collection based evaluation, developing … Continue reading

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ControCurator: Crowds and Machines for Controversy Discovery and Modeling

This is a joined project with Lora Aroyo (VU), Sound & Vision and Crowdynews funded by Commit on identifying controversial topics in multi-model data, with applications ranging from health, to political discourse, news, etc. The ControCurator project aims to enable … Continue reading

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TREC 2016 Tasks Track

Are you interested in building systems that will assist users towards task completion rather than simply showing relevant results for a query? The primary goals of the Tasks track are (1) to evaluate a system’s understanding of tasks users aim … Continue reading

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Google Faculty Research Award

Google will be supporting my research on ‘Session-based Personalization: Analysis and Evaluation’. The focus of this research is on personalization of search engine results on the basis of user interactions with the search engine on the current session. The Google Research Awards … Continue reading

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