Validation Improvement Trend
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Validation Improvement Trend

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Validation Improvement Trend Validation Improvement Trend Presentation Transcript

  • Validation of the Proposed Improvement-trend Technique Presented by: Abhishek Srivastava Department of Computing Science University of Alberta 1 Friday, December 11, 2009
  • Improvement-trend criterion feedback line fitted using the Ordinary Least Squares technique feedback × × × × × time 2 Friday, December 11, 2009
  • Validation of our technique feedback feedback × × Hotels in × Los Angeles × × time 3 Friday, December 11, 2009
  • feedback Renaissance Hollywood Hotel Hyatt Regency, Century Plaza Vagabond Inn Elan Hotel Hollywood City Inn Hollywood Orchid Suites Sofitel Los Angeles Sheraton Universal Hotel Holiday Inn Express...Hollywood... Angeleno Hotel 4 Friday, December 11, 2009
  • 1 Proposed technique 1.2 = 0.833 2 = 1.33 Randomly collected Renaissance Hollywood Hotel 1.5 small number of Hyatt Regency, Century Plaza 2 feedback Vagabond Inn = 2.5 0.8 Elan Hotel Hollywood City Inn {Reliability}α Hollywood Orchid Suites = Available · {W aiting-time}β Af f inity Sofitel Los Angeles Sheraton Universal Hotel HolidayAf fExpress...Hollywood... ·Availablej · Inn inityij = Couplingij {Reliabilityj }α · {Improvement-trendj }γ Angeleno Hotel {W aiting-timej }β feedback × × T ransition-rate = Completion-ratei ∗ Couplingij × × × Length of queue W aiting-time = Completion-rate time 5 Improvement-trend = {Slope of f itted line}∗{M ean f eedback value} Friday, December 11, 2009
  • Rankings based on proposed technique Renaissance Hollywood Hotel 1. Sofitel Los Angeles 1.5423 Hyatt Regency, Century Plaza 2. Elan Hotel 1.4119 Vagabond Inn Ranked based on 3. Angeleno Hotel 1.3097 calculated Elan Hotel Improvement-trend 4. Holiday Inn Express...Hollywood... 1.2503 Hollywood City Inn 5. Hollywood City Inn 1.1707 Hollywood Orchid Suites 6. Vagabond Inn 1.1053 Sofitel Los Angeles 7. Sheraton Universal Hotel 1.0931 Sheraton Universal Hotel 8. Renaissance Hollywood Hotel 1.0871 Holiday Inn Express...Hollywood... 9. Hollywood Orchid Suites 0.9739 Angeleno Hotel 10. Hyatt Regency, Century Plaza 0.8815 6 Friday, December 11, 2009
  • Calculation of ‘actual’ improvement Renaissance Hollywood Hotel Hyatt Regency, Century Plaza Vagabond Inn Elan Hotel Hollywood City Inn Hollywood Orchid Suites Sofitel Los Angeles Sheraton Universal Hotel Holiday Inn Express...Hollywood... Angeleno Hotel Large amount of feedback 7 Friday, December 11, 2009
  • Large amount of feedback Renaissance Hollywood Hotel Hyatt Regency, Century Plaza Vagabond Inn Elan Hotel For each hotel Hollywood City Inn Monthly feedback Hollywood Orchid Suites average Sofitel Los Angeles Sheraton Universal Hotel Holiday Inn Express...Hollywood... Angeleno Hotel 8 Friday, December 11, 2009
  • Rankings based on proposed feedback Feedback average Hotels ranked October 2009 based on feedback September 2009 Hotels ranked Renaissance Hollywood Hotel based on feedback . . Hyatt Regency, Century Plaza . . Vagabond Inn . . Elan Hotel Hollywood City Inn Hotels ranked December 2008 Hollywood Orchid Suites based on feedback Sofitel Los Angeles Sheraton Universal Hotel . . Holiday Inn Express...Hollywood... . . Angeleno Hotel . . Hotels ranked July 2008 based on feedback 9 Friday, December 11, 2009
  • For each hotel: October 2009 Rank Average rank September 2009 Rank July - October 2009 Ranking August 2009 Rank July 2009 Rank . . . March - June 2009 Ranking December 2008 . Oct. `08 - June `09 . Ranking . July 2008 July - October 2008 Ranking 10 Friday, December 11, 2009
  • ‘Rank improvement’ For each hotel: July - October 2009 Ranking R4 March - June 2009 Ranking R3 Rank improvement = (R1-R2)+ (R2-R3)+ (R3-R4) Oct. `08 - June `09 Ranking R2 July - October 2008 Ranking R1 11 Friday, December 11, 2009
  • Rankings based on ‘Rank improvement’ Renaissance Hollywood Hotel Vagabond Inn +3 Hyatt Regency, Century Plaza Elan Hotel +2.5 Vagabond Inn Ranked based on Sofitel Los Angeles +1.75 Elan Hotel Rank improvement Holiday Inn Express...Hollywood... +1.25 Hollywood City Inn Angeleno Hotel - 0.5 Hollywood Orchid Suites Hollywood Orchid Suites - 0.75 Sofitel Los Angeles Hyatt Regency, Century Plaza - 0.75 Sheraton Universal Hotel Hollywood City Inn - 1.25 Holiday Inn Express...Hollywood... Sheraton Universal Hotel -2 Angeleno Hotel Renaissance Hollywood Hotel - 3.25 12 Friday, December 11, 2009
  • Ranking comparison Based on ‘rank improvement’ Proposed technique (large feedback number) (small feedback number) 1.Vagabond Inn 1. Sofitel Los Angeles 2. Elan Hotel 2. Elan Hotel 3. Sofitel Los Angeles 3. Angeleno Hotel 4. Holiday Inn Express...Hollywood... 4. Holiday Inn Express...Hollywood... 5. Angeleno Hotel 5. Hollywood City Inn 6. Hollywood Orchid Suites 6.Vagabond Inn 6. Hyatt Regency, Century Plaza 7. Sheraton Universal Hotel 8. Hollywood City Inn 8. Renaissance Hollywood Hotel 9. Sheraton Universal Hotel 9. Hollywood Orchid Suites 10. Renaissance Hollywood Hotel 10. Hyatt Regency, Century Plaza Average ‘Manhattan’ distance = 2.3 13 Friday, December 11, 2009
  • Thank you! 14 Friday, December 11, 2009