| Web data mining and data collection is critical process | | | | crawlers. Modern search engine crawlers or bot can |
| for many business and market research firms today. | | | | not access the entire web due to bandwidth limitations. |
| Conventional Web data mining techniques involve | | | | There are thousands of internet databases that can |
| search engines like Google, Yahoo, AOL, etc and | | | | offer high-quality, editor scanned and well-maintained |
| keyword, directory and topic-based searches. Since | | | | information, but are not accessed by the crawlers. |
| the Web's existing structure cannot provide high-quality, | | | | Almost all search engines have limited options for |
| definite and intelligent information, systematic web data | | | | keyword query combination. For example Google and |
| mining may help you get desired business intelligence | | | | Yahoo provide option like phrase match or exact |
| and relevant data. | | | | match to limit search results. It demands for more |
| Factors that affect the effectiveness of | | | | efforts and time to get most relevant information. |
| keyword-based searches include: | | | | Since human behavior and choices change over time, |
| Use of general or broad keywords on search | | | | a web page needs to be updated more frequently to |
| engines result in millions of web pages, many of which | | | | reflect these trends. Also, there is limited space for |
| are totally irrelevant. | | | | multi-dimensional web data mining since existing |
| Similar or multi-variant keyword semantics my | | | | information search rely heavily on keyword-based |
| return ambiguous results. For an instant word panther | | | | indices, not the real data. |
| could be an animal, sports accessory or movie name. | | | | Above mentioned limitations and challenges have |
| It is quite possible that you may miss many highly | | | | resulted in a quest for efficiently and effectively |
| relevant web pages that do not directly include the | | | | discover and use Web resources. Send us any of |
| searched keyword. | | | | your queries regarding Web Data mining processes to |
| The most important factor that prohibits deep web | | | | explore the topic in more detail. |
| access is the effectiveness of search engine | | | | |