Methods and apparatus assessing, ranking, organizing, and presenting search results associated with a user’s current work context are disclosed. The shock absorption pad according to the present invention on which an occupant’s foot is placed is attached on a surface of a toe board. The original sequence of elements is then used in searching for a desired element in a similar document. Each record type includes at least one record part type and at least one record part type comprising at least one data element type. More particularly, the present invention relates to novel \u03b2-aryl-\u03b1-oxysubstituted alkylcarboxylic acids of general formula, their derivatives, their analogs, their tautomeric forms, their stereoisomers, their polymorphs, their pharmaceutically acceptable salts, their pharmaceutically acceptable solvates and pharmaceutically acceptable compositions containing them. The credit values are reset when a specified time period has passed, a link has a negative credit value, or all the links have a credit value of zero.