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public:research:confnotes:wistp2015 [2015-09-01 20:41] – petrspublic:research:confnotes:wistp2015 [2015-09-01 20:41] – petrs
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   * payment made via blind signatures   * payment made via blind signatures
   * nice attack from audience: user selects N different pseudonyms, set very low bidding price => wins bids    * nice attack from audience: user selects N different pseudonyms, set very low bidding price => wins bids 
-? can we use bitcoin for that? - can be used +  * ? can we use bitcoin for that? - can be used 
-? autonomous execution without user interaction? - can be done, except to improve utilization score  +  * ? autonomous execution without user interaction? - can be done, except to improve utilization score  
-? is report server trusted entity? - trusted to select winner and pay+  * ? is report server trusted entity? - trusted to select winner and pay
  
  
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   * dynamic quantifier - almost no correlation (doesn't work)   * dynamic quantifier - almost no correlation (doesn't work)
   * scalar quantifier - 60-95% success (avg 70% similarity)   * scalar quantifier - 60-95% success (avg 70% similarity)
-? what features were extracted from webcam picture? Movement of nose. But very noisy data, better cam cam improve (but lost of attacker vector with malware-controled webcam) +  * ? what features were extracted from webcam picture? Movement of nose. But very noisy data, better cam cam improve (but lost of attacker vector with malware-controled webcam) 
-? Why not use fingerprint as additional factor to authenticate? +  * ? Why not use fingerprint as additional factor to authenticate? 
  
 **Paper: Neyire Deniz Sarier, Private Minutia-based Fingerprint Matching** **Paper: Neyire Deniz Sarier, Private Minutia-based Fingerprint Matching**
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   * unified extractor and convertor into same log structure    * unified extractor and convertor into same log structure 
   * speed 37000 events/sec (8 cores) - usable for big company    * speed 37000 events/sec (8 cores) - usable for big company 
-? implementation of compiler for regular expressions that compiles many RE together and then executed faster then every RE one-by-one.+  * ? implementation of compiler for regular expressions that compiles many RE together and then executed faster then every RE one-by-one.
  
 **Paper: Konstantinos Fysarakis, Charalampos Konstantourakis, Konstantinos Rantos, Charalampos Manifavas and Ioannis Papaefstathiou, WSACd - A Usable Access Control Framework for Smart Home Devices** **Paper: Konstantinos Fysarakis, Charalampos Konstantourakis, Konstantinos Rantos, Charalampos Manifavas and Ioannis Papaefstathiou, WSACd - A Usable Access Control Framework for Smart Home Devices**
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   * Random forest classifier   * Random forest classifier
   * tech report: arxiv.org/pdf/1504.04730.pdf   * tech report: arxiv.org/pdf/1504.04730.pdf
-? bias behind rated pages?  Try to rate huge number of unrated pages and wait few months for confirmation (but bias is not completelly removed)+  * ? bias behind rated pages?  Try to rate huge number of unrated pages and wait few months for confirmation (but bias is not completelly removed)
      
 **Paper: Analysis of usage patterns in Ripple protocolFrederik Armknecht, Ghassan Karame, Avikarsha Mandal, Franck Youssef and Erik Zenner. "Ripple: Overview and Outlook"** **Paper: Analysis of usage patterns in Ripple protocolFrederik Armknecht, Ghassan Karame, Avikarsha Mandal, Franck Youssef and Erik Zenner. "Ripple: Overview and Outlook"**
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     * a lot of artificial transaction not finished (only about 15% is real transcation)     * a lot of artificial transaction not finished (only about 15% is real transcation)
     * most of the current accounts are inactive (might be theoretically many accounts for single person because of privacy, but unlikely)     * most of the current accounts are inactive (might be theoretically many accounts for single person because of privacy, but unlikely)
-? inactive accounts - not used, different from validators +  * ? inactive accounts - not used, different from validators 
  
 **Paper: Patrick Koeberl, Vinay Phegade, Anand Rajan, Thomas Schneider, Steffen Schulz and Maria Zhdanova. "Time to Rethink: Trust Brokerage using Trusted Execution Environments" - Intel research labs** **Paper: Patrick Koeberl, Vinay Phegade, Anand Rajan, Thomas Schneider, Steffen Schulz and Maria Zhdanova. "Time to Rethink: Trust Brokerage using Trusted Execution Environments" - Intel research labs**