From the editor—World Environment Day 2007

World Hypertension Day 2007.

The World Hypertension League is encouraging all of us to focus our attention on hypertension through designation of May 17, 2007, as “World Hypertension Day.”1 Most of the readers of Hypertension will pay more attention to this encouragement than the average person. But, even many of us who focus much of our life on patient care or research related to hypertension need to pause and consider th...

State of the Environment Queensland 2007

Key findings !" Atmospheric concentrations of ozone depleting substances have decreased as a result of the effectiveness of the Montreal Protocol. !" The global (60°S–60°N) ozone concentration is projected to return to pre-1980 levels by around the middle of the 21st century. !" Antarctic ozone levels are projected to return to pre-1980 levels around 2060–75, which is 10–25 years later than pre...

Submission for the Dutch - Belgian Database Day ( DBDBD ) 2007

Relations can be found in many areas and applications. For example, we see relations in structured data such as sequences, trees and graphs when mining for patterns in web logs, chemical databases and various type of networks. More general, we see relational information in relational databases. In this case, we are interested in finding related patterns within the tables of our database. Applic...

Language Technology Project 2007 Word of the Day

the effect of traffic density on the accident externality from driving the case study of tehran

در این پژوهش به بررسی اثر افزایش ترافیک بر روی تعداد تصادفات پرداخته شده است. به این منظور 30 تقاطع در شهر تهران بطور تصادفی انتخاب گردید و تعداد تصادفات ماهیانه در این تقاطعات در طول سالهای 89-90 از سازمان کنترل ترافیک شهر تهران استخراج گردید و با استفاده از مدل داده های تابلویی و نرم افزار eviews مدل خطی و درجه دوم تخمین زده شد و در نهایت این نتیجه حاصل شد که تقاطعات پر ترافیک تر تعداد تصادفا...