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836
Systematic social observation of public spaces: A new look at disorder in urban neighborhoods
- American Journal of Sociology
, 1999
"... This article assesses the sources and consequences of public disorder. Based on the videotaping and systematic rating of more than 23,000 street segments in Chicago, highly reliable scales of social and physi-cal disorder for 196 neighborhoods are constructed. Census data, police records, and an ind ..."
Abstract
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Cited by 253 (9 self)
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and crime is spurious except perhaps for robbery. The answer to the question of how city life was to be possible, then, is this. City life was made possible by an “ordering ” of the urban populace in terms of appearance and spatial location such that those within the city could know a great deal about one
A large-scale study of the evolution of web pages
- In Proceedings of the 12th International World Wide Web Conference
, 2003
"... How fast does the web change? Does most of the content remain unchanged once it has been authored, or are the documents continuously updated? Do pages change a little or a lot? Is the extent of change correlated to any other property of the page? All of these questions are of interest to those who m ..."
Abstract
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Cited by 241 (5 self)
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mine the web, including all the popular search engines, but few studies have been performed to date to answer them. One notable exception is a study by Cho and Garcia-Molina, who crawled a set of 720,000 pages on a daily basis over four months, and counted pages as having changed if their MD5 checksum
ANSWER
"... Anaemia in a cardiopath A 77-year-old Caucasian woman was referred for investigation of microcytic anaemia. She was known to have ischaemic heart disease and aortic valve disease. The patient complained of shortness of breath and lethargy with no other gastrointestinal specific symptoms. On examinat ..."
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was normal but colonoscopy showed severe uncomplicated left sided diverticular disease. The caecum revealed an abnormality as shown in figure 1. QUESTION What is this woman’s unifying diagnosis? See page below for answer
ANSWERS
"... Random conjunctival biopsy in multiorgan disease A previously fit and well 43-year-old woman fromWest Africa pre-sented with a 9 month history of productive cough, weight loss and unsteadiness on her feet. She denied night sweats. On examin-ation she was apyrexial. Blood cultures were negative. Full ..."
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. Full blood count was normal, serum ACE was elevated at 194, and she was hypercalcaemic with a low parathyroid hormone level. She was HIV negative. Chest X-ray and subsequent CT chest showed bilat-eral hilar and mediastinal lymph node enlargement. MRI brain and spine were normal. Lumbar puncture
Questions:
"... findings? 2. How do you explain this patient’s most striking clinical and laboratory findings? 3. What is this patient’s most likely diagnosis? 4. What are the epidemiologic characteristics and pathogenesis of this patient’s disease? 5. What are the forms of presentation of this patient’s disease? 6 ..."
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? 6. What laboratory methods are available to isolate the organism responsible for this patient’s disease? 7. How is this patient’s disease treated? Possible Answers: 1. Low-grade fever with chills, night sweats, tachycardia, tremor, abdominal cramping, vomiting, and a 20-pound weight loss; chest x
Acyclic Query Answering Under Guarded Disjunctive Existential Rules and Consequences to DLs
"... The complete picture of the complexity of conjunctive query answer-ing under guarded disjunctive existential rules has been recently settled. However, in the case of (unions of) acyclic conjunctive queries ((U)ACQs) there are some fundamental questions which are still open. It is the precise aim of ..."
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The complete picture of the complexity of conjunctive query answer-ing under guarded disjunctive existential rules has been recently settled. However, in the case of (unions of) acyclic conjunctive queries ((U)ACQs) there are some fundamental questions which are still open. It is the precise aim
Self-determination and persistence in a real-life setting: Toward a motivational model of high school dropout.
- Journal of Personality and Social Psychology,
, 1997
"... The purpose of this study was to propose and test a motivational model of high school dropout. The model posits that teachers, parents, and the school administration's behaviors toward students influence students' perceptions of competence and autonomy. The less autonomy supportive the so ..."
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Cited by 183 (19 self)
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students. Students were told that additional information would be gathered later on, and so it was important that they write their student identification numbers on the questionnaire. The experimenter also explained the types of questions that students would be asked to answer and provided examples
QUESTIONS
, 2008
"... Choose the single best answer for each question. Questions 1 and 2 refer to the following case. A 29-year-old woman with AIDS and a most recent CD4+ cell count of 10 cells/μL is admitted to the hospi-tal with a 1-week history of nonproductive cough, short-ness of breath, and dyspnea on exertion. She ..."
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Choose the single best answer for each question. Questions 1 and 2 refer to the following case. A 29-year-old woman with AIDS and a most recent CD4+ cell count of 10 cells/μL is admitted to the hospi-tal with a 1-week history of nonproductive cough, short-ness of breath, and dyspnea on exertion
A framework to predict the quality of answers with non-textual features
- In SIGIR ’06: Proceedings of the 29th annual international ACM SIGIR conference on Research and development in information retrieval
, 2006
"... New types of document collections are being developed by various web services. The service providers keep track of non-textual features such as click counts. In this paper, we present a framework to use non-textual features to predict the quality of documents. We also show our quality measure can be ..."
Abstract
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Cited by 90 (2 self)
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be successfully incorporated into the language modeling-based retrieval model. We test our approach on a collection of question and answer pairs gathered from a community based question answering service where people ask and answer questions. Experimental results using our quality measure show a significant
Multiple Answer Extraction for Question Answering with Automated Theorem Proving Systems
- Rejected from the 15th International Conference on Logic for Programming Artificial Intelligence and Reasoning
, 2008
"... The Multiple ANSwer EXtraction system is a framework for interpreting a conjecture with outermost existentially quanti-fied variables as a question, and extracting multiple answers to the question by repetitive calls to a base system that can re-port the bindings for the variables in one proof of th ..."
Abstract
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Cited by 1 (1 self)
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The Multiple ANSwer EXtraction system is a framework for interpreting a conjecture with outermost existentially quanti-fied variables as a question, and extracting multiple answers to the question by repetitive calls to a base system that can re-port the bindings for the variables in one proof
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836
