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Combining these two approaches exploits the rigor of data modeling and normalization to make document analysis more systematic , while exploiting the heuristics and flexibility of the latter to make the former more pragmatic . In the meantime , however , the summer marching season approaches . As the festive season approaches , two groups of UNISON members are facing hardship for taking industrial action against incalcitrant employers . Feature matching , a more sophisticated approach , involves calculating a weighted function of a number of features of the processed image and comparing it with the same function calculated for the stored image . Qualitative research is one of the two major approaches to research methodology in social science and involves investigating opinions , behaviors and experiences from the informants ' points of view and constructing meaning out of their experiences . Comparing RIA ApproachesIn general , OOP approaches confer the advantages of strongly typed object-oriented programming such as improved code maintainability and reuse , and are better suited for enterprise-class applications . This type of design process is technically more challenging and requires a higher degree of knowledge on the pavement design engineer as well as a more sophisticated approach to materials testing and characterization . This approach to certification attempts to rectify the worst shortcomings of the first two approaches . The Defense Contract Management Command intends to use a combination of these two approaches to address the Y2K problem . In general , OOP approaches confer the advantages of strongly typed object-oriented programming such as improved code maintainability and reuse , and are better suited for enterprise-class applications . The impact of smart sampling protocols on water quality will be evaluated by two approaches .