Vladimir Romanovitch Arseniev (7 août 1948-30 octobre 2010)

Cover Vol.7, No.1, February 2010

Cover Vol. 7, No.2, June 2010

Lecture 7 – February 26 , 2010

For integers i and j, define T [i : j] as the substring of T starting from the ith character and ending with the jth character inclusive. We will often omit j and write T [i :] to denote the suffix of T starting at the ith character. Finally, we let the symbol ◦ denote concatenation. As a simple illustration of our notation, (abcde[0 : 2]) ◦ (cde[1 :]) = abcde. Now we can formally state the str...

Vladimir Marik

The increasing demand for the use of database systems as an integrating factor in CAD/CAM applications has necessitated the development of database systems with appropriate modelling and retrieval capabilities. One essential problem is the treatment of geometric data which has led to the development of spatial databases. Unfortunately, most proposals only deal with simple geometric objects like...

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