Wednesday, February 19, 2020

Web Content Mining Essay Example | Topics and Well Written Essays - 3000 words

Web Content Mining - Essay Example As the research stresses search methods along with their underlying methodologies and supporting implementations have presented us with a great variation in structure. While search engines adopt the least structured methods, portals and directories attempt to adopt a fully structured taxonomy based approach. Wikis have evolved as a semi-structured approach that gained popularity as an effective means of topic-based information retrieval. According to the paper findings web pages (the information resources or documents) can also be searched using more advanced methods that involve the use of Boolean expressions to involve inclusions and/or exclusions, as well as to indicate required terms to appear in results. Not all search engines accept identical means of advanced search. Typically, most users repeatedly try simple keywords until they get an interesting set of documents. No matter how sophisticated the search algorithms are, the searchers’ sifting through text within billions of indexed pages is a highly undeterministic process. There are also commercial factors involved in the relative ranking of pages. Many search engine optimization (SEO) firms now specialize in maintaining good rank in search results for their clients’ sites. It is no simple process for a site or a page to be submitted to search engine that it would be found. SEO has become a discipline that involves statistical, marketing, and fi nancial aspects.

Tuesday, February 4, 2020

Sensory evaluation of food Assignment Example | Topics and Well Written Essays - 1750 words

Sensory evaluation of food - Assignment Example Sensory evaluation is sometimes done to label a product as acceptable or unacceptable. Sensory evaluation gives information about the typical characteristics of the food product or any of its ingredients so that any necessary change can be made to the food item or any ingredient can be avoided or replaced. A sensory analysis on a final product or newly introduced product would judge whether the food item is in line with its original specification. Feedback is collected after sensory evaluation so that any small or big amendment may be made to improve the product. Further evaluation would include the analysis of the food properties. Properties of the food and its ingredients are scientifically measured. These measured scientific properties are analyzed and interpreted to get the results. Sensory analysis would tell how the assessed food item is perceived through the five senses. Appearance, taste, smell, touch and hearing are the five factors that are used as parameters to analyze the food item. The color of the food item, its smell, its taste, its physical nature and sound would grade it. The color of a food item would reveal some of its properties. For example, deep fried items and those with artificial color would reveal its nature through its color. The smell of gravy will reveal the presence of absence of spices in it. Taste of a food item would disclose majority of its ingredients. Taste would reveal what is included and what is missing. As we touch a cake we will understand how much cream is used for making it. If you want to test a piece of banana or potato chips you just need to bite it once. Sensory evaluation would thus give complete analysis of a food item. Sensory evaluation is very much required for newly developed products. Sensory analysis would check whether a newly developed product is unique or comparable to another product of same range. Some products may be complete imitations of another product which is already established. Some may