Abstract: Searching a file in a format unsupported by a search engine by creating term-topic links with associated probabilities. A file is retrieved comprising a compressed HTML file or a webpage. The file is parsed to retrieve data associated with title tags and body tags. In addition, user queries are received so that the user may associate a query with the title data. Term-topic links are created by linking terms from the retrieved data and the query with a topic. Heuristics are then used to determine the probability associated with each term-topic link. Term-topic links having a term containing nouns are assigned a higher probability than verbs, verbs are assigned a higher probability than adjectives, and adjectives and adverbs are assigned the same probability. The term-topic links are trained by adjusting the assigned probabilities based on a user defined query and an associated target topic.

Abstract: Lock mechanism includes a first sleeve on the inner end of the outer telescoping member having a forward extension with a non-circular central passage therethrough for close sliding receipt of a non-circular external surface on the inner tubular member to prevent relative rotation between the telescoping members. The forward extension has an external circumferential groove, and a radial opening extending through the bottom of the groove for receipt of a ball that successively engages a plurality of longitudinally spaced sockets in one of the non-circular sides of the inner telescoping member during relative longitudinal movement therebetween.

Abstract: Flat pad applicator includes a base member having a pair of laterally spaced apart tapered pins between which the hub portion of a handle is snapped into position for rotatably mounting the handle on the base member. The hub portion has a plurality of circumferentially spaced indexing notches in the outer periphery thereof which may be selectively engaged by an indexing locking rib carried by a cantilevered tongue on the base member for releasably locking the handle in any one of several angularly adjusted positions. The pad assembly itself includes a backing plate made out of a magnetic material to permit a magnet to be used for easy attachment and removal of the pad assembly from the base member for cleaning and/or replacement.