منابع مشابه
From rankings to mission.
Since the 1980s, school ranking systems have been a topic of discussion among leaders of higher education. Various ranking systems are based on inadequate data that fail to illustrate the complex nature and special contributions of the institutions they purport to rank, including U.S. medical schools, each of which contributes uniquely to meeting national health care needs. A study by Tancredi ...
متن کامل: From Software to Mission System
The Resource Prospector (RP) is an in-situ resource utilization (ISRU) technology demonstration mission, designed to search for volatiles at the Lunar South Pole. This is NASA’s first near real time tele-operated rover on the Moon. The primary objective is to search for volatiles at one of the Lunar Poles. The combination of short mission duration, a solar powered rover, and the requirement to ...
متن کاملStructure Discovery from Partial Rankings
Aggregating and statistical reasoning with ranked data are tasks that arise in a number of applications from analyzing political elections to modeling user preferences over a set of items. Representing distributions over rankings, however, can be daunting due to the fact that the number of rankings of n items scales factorially. Moreover, it is crucial for probabilistic models over rankings to ...
متن کاملPreference Completion from Partial Rankings
We propose a novel and efficient algorithm for the collaborative preference completion problem, which involves jointly estimating individualized rankings for a set of entities over a shared set of items, based on a limited number of observed affinity values. Our approach exploits the observation that while preferences are often recorded as numerical scores, the predictive quantity of interest i...
متن کاملCorrelating Topic Rankings and Person Rankings to Find Experts
Expert search is about finding people rather than documents. The goal is to retrieve a ranked list of candidates with expertise on a given topic. The task is studied in the context of the enterprise track. We describe an approach that compares topic profiles and candidate profiles directly. These profiles are not based on unordered sets of documents, but on ranked lists. This allows us to diffe...
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ژورنال
عنوان ژورنال: Academic Medicine
سال: 2013
ISSN: 1040-2446
DOI: 10.1097/acm.0b013e318299efd9