
	Trending ▼ ICSE CBSE 10th ISC CBSE 12th CTET GATE UGC NET Vestibulares ResFinder

IIT GATE Exam 2023 : CS - Computer Science and Information Technology : data warehouse

9 pages, 2 questions, 0 questions with responses, 0 total responses,

	Ratul Banerjee	+Fave Message
	Profile Timeline Uploads

Home > cairos >

Formatting page ...

Spatial databases and text databases ---- spatial databases are derived from geospatial consortium and used to draw 3d geometric shapes, add onto or modify existing 3d geometric shapes, have observer reference and endowed with 3d spatial indexes text databases are available in words and texts and respond to Ad Hoc queries while data mining deals with off line, structured text or numeric data where pattern matching occurs, web mining deals with on line, unstructured or semi structured text or numeric data where no pattern matching occurs . Web usage mining where online data is stored in case of web logs, web content mining that deals with semi structured hyper link of www , web structure mining that deals with page layout of www. Challenges in web mining --- data segmentation , customers accessibility etc where data has outliers, decision tree induction finds use and binary trees are pruned to off set this kind of data binary trees can be pre or post pruned where in post pruned trees are a more reliable approach a separate set of tuples cannot be used to evaluate pruning as does not deal with training samples and does not address over fitted data . Outliers analysis can include clustering or regression testing where in clustering, outliers are detected as

Formatting page ...

cairos chat

Horizontal lines at:
Guest Horizontal lines at:
AutoRM Data:
Box geometries: