Abstract: A method, apparatus and computer program product selectively delete records from a cache in a manner that not only takes into account usage of the record, but also the cost associated with the generation of the record. In regards to a method, a cost associated with generation of a record maintained in a cache is determined. The cost may be defined in terms of the time consumed to generate the record. The method also determines usage of the record. At least one of the cost or the usage may be determined on a relative basis with respect to the cost or the usage, respectively, of other records maintained in the cache. Further, the method determines whether the record should be deleted from the cache based upon the cost and the usage of the record. Based on this determination, the record may be selectively deleted from or retained within the cache.

Abstract: The invention relates to a device and method for measuring the quantity of an agricultural product comprising at least one ultrasonic transducer device configured to measure the height of the agricultural product with respect to a ground. At least two ultrasonic transducers configured to allow the orientation or slope of the ground to be calculated, such that the at least three transducers can be at arbitrary orientations with respect to the ground when the device is in motion.

Abstract: A temperature probe comprises a thermocouple with a cross-section having flattened sides and rounded ends, and a method of manufacturing a thermocouple for a temperature probe comprising the step of flattening a round thermocouple wire.

Abstract: A method, apparatus and computer program product selectively delete records from a cache in a manner that not only takes into account usage of the record, but also the cost associated with the generation of the record. In regards to a method, a cost associated with generation of a record maintained in a cache is determined. The cost may be defined in terms of the time consumed to generate the record. The method also determines usage of the record. At least one of the cost or the usage may be determined on a relative basis with respect to the cost or the usage, respectively, of other records maintained in the cache. Further, the method determines whether the record should be deleted from the cache based upon the cost and the usage of the record. Based on this determination, the record may be selectively deleted from or retained within the cache.