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Crawling in Open Source, Part 1
Introduction In this article I will give you a short introduction to crawling in general and then move on to Apache Nutch, its history, and architecture, and explanations of its core processing steps and MapReduce functions at a very technical level. Aft......

Full Text Search Engines vs. DBMS
Introduction Full text search engines and relational databases each have unique strengths as development tools but also have overlapping capabilities. Both can provide for storage and update of data and both support search of the data. Full text system......

Outsourcing: Business in the 21st Century
The word outsourcing is often heard in the world of business today. It is something which has affected the business of almost every nature and every nation. Outsourcing is occurring in almost every country of this world to some extent. There are some lead......

All About Data Mining and Financial Data Analysis
Most marketers understand the value of collecting financial data, but also the challenges to achieve leverage this knowledge to make intelligent, proactive pathways to create for the customer. Data mining - technologies and techniques for identifying and ......

Missing Data Mechanisms
As almost any researcher can attest, missing data are a widespread problem. Data from surveys, experiments, and secondary sources are often missing some data. The impact of the missing data on the results of statistical analysis depends on the mechanism w......