42 Providing web-based data analysis and pattern discovery for the marketing of services related to real estate valuation and property taxes; Software development, data collection, and database management for property valuation, cost segregation analysis, and accelerated depreciation; Providing on-line, non-downloadable financial software and estimation services for real estate investment applications; Providing on-line, non-downloadable software for web-based text data analysis for pattern discovery and for data harvesting in the fields of real estate and geo-data; Providing financial software and estimation services for real estate applications