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Challenge–response spam filtering

Known as: Sender Address Verification, SAV, Challenge-response spam filtering 
A challenge–response (or C/R) system is a type of spam filter that automatically sends a reply with a challenge to the (alleged) sender of an… 
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Papers overview

Semantic Scholar uses AI to extract papers important to this topic.
Highly Cited
2018
Highly Cited
2018
We carry out convergence and error analysis of the scalar auxiliary variable (SAV) methods for $L^2$ and $H^{-1}$ gradient flows… 
Highly Cited
2015
Highly Cited
2015
Abstract Microbial fuel cells (MFCs) are a promising technology capable of directly converting the abundant biomass on the planet… 
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Highly Cited
2014
Highly Cited
2014
Car sharing programs like Car2Go and ZipCar have quickly expanded, with the number of United States (US) users doubling every one… 
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Review
2006
Review
2006
Vehicular ad hoc networks (VANETs) have the potential to increase road safety and comfort. Especially because of the road safety… 
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Highly Cited
2004
Highly Cited
2004
It is generally assumed that phosphorus (P) availability for plant growth on highly weathered and P-deficient tropical soils may… 
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Review
2004
Review
2004
We developed an algorithm for calculating habitat suitability for seagrasses and related submerged aquatic vegetation (SAV) at… 
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Highly Cited
2001
Highly Cited
2001
Specific binding of biotinilated bovine serum albumin (bBSA) and tetramethylrhodamine-labeled streptavidin (SAv−TMR) was observed… 
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Highly Cited
2001
Highly Cited
2001
Phragmites expansion rates (linear at 1–3% yr−1) and impacts of this expansion on high marsh macroinvertebrates, aboveground… 
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Review
2000
Review
2000
A procedure was developed using aboveground field biomass measurements of Chesapeake Bay submersed aquatic vegetation (SAV… 
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Highly Cited
1993
Highly Cited
1993
Abundances and size-frequency distributions of common epibenth~c flsh and crustaceans were compared among 3 depth zones (1-35, 35… 
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