We investigate on-line prediction of individual sequences. Given a class of predictors, the goal is to predict as well as the best predictor in the class, where the loss is measured by the self information (logarithmic) loss function. The excess loss (regret) is closely related to the redundancy...

Purpose – The purpose of this paper is to present a general overview with up‐to‐date information on the Universal Decimal Classification (UDC) use worldwide. Design/methodology/approach – The research combined e‐mail interviews with LIS professionals in 208 countries, literature...

Purpose – The desire to cut supply chain costs has made RFID technology one of today's most discussed retail technologies. Given the current implementation pace, the objective of this paper is to go beyond the hype and explore basic issues related to RFID technology, including its promises as...