Consider two-dimensional vector data where the data items do not overlap. Is it possible to convert such vector data to raster data? If so, what are the drawbacks of storing raster data obtained by such conversion, instead of the original vector data?
Answer to relevant QuestionsSuppose you have a spatial database that supports region queries (with circular regions) but not nearest neighbor queries. Describe an algorithm to find the nearest neighbor by making use of multiple region queries.List three main features of mobile computing over wireless networks that are distinct from traditional distributed systems.If the entire database fits in main memory, do we still need a database system to manage the data? Explain your answer.What is the purpose of compensating transactions? Present two examples of their use.Consider the data in Exercise 15-2. Use the normal approximation for the sign test to test H0 = 8.5 versus H1 = 8.5, with a = 0.05. What is the P-value for this test?
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