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ICALP
2000
Springer
15 years 1 months ago
On the Power of Tree-Walking Automata
Abstract. Tree-walking automata (TWAs) recently received new attention in the fields of formal languages and databases. Towards a better understanding of their expressiveness, we c...
Frank Neven, Thomas Schwentick
LCTRTS
2000
Springer
15 years 1 months ago
Reordering Memory Bus Transactions for Reduced Power Consumption
Low energy consumption is becoming the primary design consideration for battery-operated and portable embedded systems, such as personal digital assistants, digital still and movi...
Bruce R. Childers, Tarun Nakra
MICRO
2000
IEEE
95views Hardware» more  MICRO 2000»
15 years 1 months ago
Very low power pipelines using significance compression
Data, addresses, and instructions are compressed by maintaining only significant bytes with two or three extension bits appended to indicate the significant byte positions. This s...
Ramon Canal, Antonio González, James E. Smi...
VLDB
1991
ACM
111views Database» more  VLDB 1991»
15 years 1 months ago
The Power of Methods With Parallel Semantics
A model capturing the data manipulation capabilities of a large class of methods in ohjectoriented databases is proposed and investsigated. The model uses a deterministic, paralle...
Karl Denninghoff, Victor Vianu
GLOBECOM
2007
IEEE
14 years 11 months ago
A SAGE Algorithm for Estimation of the Direction Power Spectrum of Individual Path Components
—In this contribution, the Fisher-Bingham-5 (FB5) probability density function (pdf) is used to model the shape of the direction power spectral density function (psdf) of individ...
Xuefeng Yin, Lingfeng Liu, Daniel K. Nielsen, Troe...