Words that are ordinary in a full-text file however have little value in searching. Words in a stopword file will be expelled from the indexes, significantly reducing the size of the indexes and improving search performance. Stop words can reason too many problems when using a search engine to seek out phrases that comprise them, mainly in names like 'The Who', The The, or 'Take That'.
Wednesday, August 20, 2008
Normally, a search engine works by sending out a spider to get as many documents as possible. An additional program, called an indexer, then reads these documents and creates an index based on the words contained in each document. Every search engine uses a proprietary algorithm to make its indices such that, preferably, only meaningful results are returned for all queries.
Tuesday, August 12, 2008
An open source program is one where the source code is obtainable for all to make out anyone can use and change the software code to their requirements under a common public license without a fee. This fosters a joint approach to software growth where users get better and extend the core by adding their individual work back into the project for free. There is generally an enthusiastic and free support network and often the development of the program is quicker and more users oriented than numerous paid-for products. Some examples of open source software are MySQL, PHP, Apache, Mozilla Firebird and the Linux kernel.
Tuesday, August 05, 2008
Perl is a general-purpose programming language invented in 1987 by Larry Wall. With over one million users wide-reaching, it has become the language of option for Web development, Internet services, text processing, mail filters, graphical programming, systems administration, and all other task requiring portable and easily-developed solutions.