How Many Relevances in Ir?
نویسنده
چکیده
• Problem, that a human being is facing and that requires information for being solved; • Information need, a representation of the problem (implicit) in the mind of the user. It is different from the problem because the user might not perceive in the correct way his problem [2,3]; • Request, a representation of the information need of the user in a 'human' language, usually in natural language; • Query, a representation of the information need in a 'system' language, e.g. boolean.
منابع مشابه
Measures for Term and Sentence Relevances: an Evaluation for German
Terms, term relevances, and sentence relevances are concepts that figure in many NLP applications, such as Text Summarization. These concepts are implemented in various ways, though. In this paper, we want to shed light on the impact that different implementations can have on the overall performance of the systems. In particular, we examine the interplay between term definitions and sentencesco...
متن کاملPatient Safety Behavior in Physicians: How is it Predicted?
Background: Patient safety is a serious global public health issue. Estimates show that every day many patients are harmed while receiving hospital care. Health care staff plays a key role in providing quality and safe patient care, especially physicians who are main members of the medical team and a critical element in patient safety efforts. Objective: ...
متن کاملObserving Evolution of Web Communities
We propose a method for observing evolution of web communities. A web community is a set of web pages created by individuals or associations with a common interest on a topic. So far various techniques have been developed to extract web communities by link analysis. Since a community represents a certain topic, we can understand when and how the topic emerged and evolved in the Web. We have dev...
متن کاملAmerica`s Strategies against IR during the Last Forty Years
The Islamic Revolution, as the greatest historical evolution of contemporary times, has caused America`s interests face many challenges. Understanding the tools and strategies used by the United States against the Islamic Republic of Iran helps us to better understand and confront the country. In this regard, using the theory of invasive realism, American strategies against the Islamic Republic...
متن کاملHow many relevances in information retrieval?
ion, independent from the particular data base. A possible set of ACD could be: 1. Comprehensibility: how much the retrieved documents have to be easy to understand; 2. Recency: how much the retrieved documents have to be recent; 3. Quantity: how much information the user wants (number of documents and their length); 4. Language: in which language the retrieved documents have to be written; 5. ...
متن کامل