Publications

University of California, Santa Cruz

Conferences with High Selectivity

  • Joel Barajas, Ram Akella, Aaron Flores, and Marius Holtan. Estimating Ad Impact on Clicker Conversions for Causal Attribution: A Potential Outcomes Approach. 15th SIAM International Conference on Data Mining 2015, SDM 15 (program). SIAM, 640-648, 2015. pdf, (local copy), DOI, BibTex, Slides. Acceptance Rate: 14.7%

  • Joel Barajas, Ram Akella, Marius Holtan, Jaimie Kwon, Aaron Flores, and Victor Andrei. Dynamic Effects of Ad Impressions on Commercial Actions in Display Advertising. In Proceedings of the 21st ACM international conference on Information and knowledge management (CIKM '12). ACM, New York, NY, USA, 1747-1751, 2012. pdf, BibTeX, DOI. Acceptance Rate: 27.8%

  • Karla L. Caballero, Joel Barajas, and Ram Akella. The generalized dirichlet distribution in enhanced topic detection. In Proceedings of the 21st ACM international conference on Information and knowledge management (CIKM '12). ACM, New York, NY, USA, 773-782, 2012. pdf, BibTeX, DOI. Acceptance Rate: 13.4%

  • Ram Akella, Zuobing Xu, Joel Barajas, Karla L. Caballero. Knowledge sciences in services automation: Integration models and perspectives for service centers. Automation Science and Engineering, 2009. CASE 2009. IEEE International Conference, pp.71-78, 22-25 Aug. 2009. DOI Invited Talk

Posters

  • Joel Barajas, Ram Akella, and Marius Holtan. Evaluating User Targeting Policies: Simulation Based on Randomized Experiment Data. In Proceedings of the 24th international conference companion on World Wide Web 2015 (WWW '15 Companion). ACM, New York, NY, USA, 11-12, 2015. pdf, Poster, DOI. Acceptance Rate: 30%

  • Joel Barajas, Ram Akella, Marius Holtan, Jaimie Kwon, Aaron Flores, and Victor Andrei. Dynamic Evaluation of Online Display Advertising with Randomized Experiments: An Aggregated Approach. In Proceedings of the 22nd international conference companion on World Wide Web 2013 (WWW '13 Companion). ACM, New York, NY, USA, 115-116, 2013. pdf, Poster, DOI.

  • Joel Barajas, Ram Akella, Marius Holtan, Jaimie Kwon, Aaron Flores, and Victor Andrei. Impact of ad impressions on dynamic commercial actions: value attribution in marketing campaigns. In Proceedings of the 21st international conference companion on World Wide Web (WWW '12 Companion). ACM, New York, NY, USA, 459-460, 2012. pdf, BibTeX, Poster, DOI Acceptance Rate: 28.1%

  • Joel Barajas, Ram Akella, Marius Holtan, Jaimie Kwon, and Brad Null. Measuring the effectiveness of display advertising: a time series approach. In Proceedings of the 20th international conference companion on World wide web (WWW '11). ACM, New York, NY, USA, 7-8, 2011. pdf, BibTeX, Poster, DOI. Acceptance Rate: 30%

Workshops (Peer-Reviewed)

  • Joel Barajas, Jaimie Kwon, Ram Akella, Aaron Flores, Marius Holtan, and Victor Andrei. Marketing campaign evaluation in targeted display advertising. In Proceedings of the Sixth International Workshop on Data Mining for Online Advertising and Internet Economy (ADKDD '12). ACM, New York, NY, USA, 2012. DOI

  • Joel Barajas, Jaimie Kwon, Ram Akella, Aaron Flores, Marius Holtan, and Victor Andrei. Measuring dynamic effects of display advertising in the absence of user tracking information. In Proceedings of the Sixth International Workshop on Data Mining for Online Advertising and Internet Economy (ADKDD '12). ACM, New York, NY, USA, 2012. DOI

Computer Vision Center (CVC), UAB Barcelona, Spain

  • J. Barajas, K. L. Caballero, O. Rodriguez, P. Radeva, Cardiac Phase Extraction in IVUS Sequences Using 1-D Gabor Filters. In Proc. of 29th Conference of the IEEE EMBS 2007, pp. 343-346.

  • J. Barajas, K. L. Caballero, J. Garcia, F. Carreras, S. Pujadas, P. Radeva. Correction of Misalignment Artifacts Among 2-D Cardiac MR Images in 3-D Space. In Proc. of First International Workshop on Computer Vision for Intravascular and Intracardiac Imaging from MICCAI 2006, pp. 114-121.

  • K. L. Caballero, O. Pujol, J. Barajas, J. Mauri, P. Radeva. Assessing In-vivo IVUS Tissue Classification accuracy between Normalized Image Reconstruction and RF Analysis. In Proc. of First International Workshop on Computer Vision for Intravascular and Intracardiac Imaging from MICCAI 2006, pp. 82-89.

  • K. L. Caballero, J. Barajas, O. Pujol, N. Savatella, P. Radeva. In-vivo IVUS Tissue Classification: a comparison between RF Signal Analysis and Reconstructed Images. In Proc. of CIARP 2006. LNCS 4225, pp. 137-146.

  • K. L. Caballero, J. Barajas, O. Pujol, J. Mauri, P. Radeva. Using RF Reconstructed IVUS Images in Tissue Classification. In Proc. of Computers in Cardiology 2006 pp. 533-536.

  • J. Garcia, D. Gil, J. Barajas, F. Carreras, P. Radeva. Characterization of Ventricular Torsion in Healthy Subjects Using Gabor Filters and a Variational Framework. In Proc. of Computers in Cardiology 2006, pp. 877-880.

  • J. Barajas, J. Garcia, F. Carreras, P. Radeva. Angle Images using Gabor Filters in Cardiac Tagged MRI. In Artificial Intelligence Research and Development pp. 107- 114, 2005. ISBN: 1-58603-560-6

  • J. Garcia, J. Barajas, F. Carreras, P. Radeva. An Intuitive Validation Technique to Compare Local versus Global Tagged MRI Analysis. In Proc. of Computers in Cardiology 2005, pp. 29-32 IEEE 2005. ISBN: 0-7803-9337-6