A diierential editor is a text or le editor that excells at editing, comparison, and reconciliation of several diiering versions of a le simultaneously. This paper discusses diierential editors in general and gives two important examples of the paradigm. One example is an editor augmented for bank statement reconciliation. The other is a program text editor augmented to handle multiple versions...

Since the announcement of the Differential Power Analysis (DPA) by Paul Kocher and al., several countermeasures were proposed in order to protect software implementations of cryptographic algorithms. In an attempt to reduce the resulting memory and execution time overhead, a general method was recently proposed, consisting in “masking” all the intermediate data. This masking strategy is possibl...

Stacia Nordin I appreciate Zlotkin and colleagues’ years of work on the Sprinkle product, and it sounds like the product is much improved from the pill form of micronutrient treatments [1]. I’m not at all opposed to Sprinkle-type products or other nutrient pills for treatment (or in other special situations), but as ten years of international work experience on food and nutrition security issue...

THIS ISSUE of Brookings Papers on Economic Activity contains papers and discussions presented at the forty-first conference of the Brookings Panel on Economic Activity, which was held in Washington, D.C., on April 3 and 4, 1986. Three major articles cover, respectively, the role of liquidity constraints in tax policy analysis, the perplexing relationship between short-term and long-term interes...

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THIS ISSUE of Brookings Papers on Economic Activity contains papers and discussions presented at the fifty-third conference of the Brookings Panel on Economic Activity, which was held in Washington, D.C., on April 2 and 3, 1992. The first paper presents a model of regional economic performance and uses it to examine the general features of regional growth and fluctuations, with insights for the...

The window-based stream join is an important operator in all data streaming systems. It has often high resource requirements so that many efficient sequential as well as parallel versions of it were proposed in the literature. The parallel stream join operators recently gain increasing interest because hardware is getting more and more parallel. Most of these operators, however, are only optimi...