American Journal of Intelligent Systems

American Journal of Intelligent Systems is a peer reviewed journal in the field of intelligent systems and applications. The aim is to provide a common scientific forum for all the different disciplines contributing to this area, ranging from the social, human and computer sciences to the analysis and application of information technology.

Sergio Escalera Guerrero

Editor-in-Chief of American Journal of Intelligent Systems

Associate Professor, University of Barcelona & Computer Vision Center UAB, Spain

Research Areas

Artificial Intelligence, Computer Vision, Pattern Recognition, Machine Learning


2008Ph.DUniversitat Autònoma de Barcelona (UAB), Barcelona, Spain
2005M.ScUniversitat Autònoma de Barcelona (UAB), Barcelona, Spain
2003B.ScUniversitat Autònoma de Barcelona


presentThe Department of Applied Mathematics and Analysis, Universitat de Barcelona. Partial time professor at Universitat Oberta de Catalunya


Member,the Perceptual Computing Group and a consolidated research group of Catalonia.
Member, the International Foundation of Research & Analysis

Publications: Journals

[1]  Valle, D., Cvetojevic, S., Robertson, E., Reichert, B. E., Hochmair, H. H., and Fletcher Jr., R. J. (2017). Individual Movement Strategies Revealed through Novel Clustering of Emergent Movement Patterns. Scientific Reports, 7 (44025).
[2]  Ahmouda, A. and Hochmair, H. H. (2017). Using Volunteered Geographic Information to Measure Name Changes of Artificial Geographical Features as a Result of Political Changes: A Libya Case Study. GeoJournal.
[3]  Alivand, M. and Hochmair, H. H. (2017). Spatiotemporal analysis of photo contribution patterns to Panoramio and Flickr. Cartography and Geographic Information Science, 44, 170-184.
[4]  Cvetojevic, S., Juhász, L., and Hochmair, H. H. (2016). Positional Accuracy of Twitter and Instagram Images in Urban Environments. GI_Forum, 2016 (1), 191-203.
[5]  Scheffrahn, R. H., Hochmair, H. H., Tonini, F., Křeček, J., Su, N.-Y., Fitzgerald, P., Hendricken, K., Chase, J. A., Mangold, J., and Olynik, J. (2016). Proliferation of the invasive termite Coptotermes gestroi (Isoptera: Rhinotermitidae) on Grand Cayman and overall termite diversity of the Cayman Islands. Florida Entomologist, 99, 496-504.
[6]  Hochmair, H. H. (2016). Spatiotemporal Pattern Analysis of Taxi Trips in New York City. Transportation Research Record: Journal of the Transportation Research Board, 2542, 45-56
[7]  Juhász, L. and Hochmair, H. H. (2016). User Contribution Patterns and Completeness Evaluation of Mapillary, a Crowdsourced Street Level Photo Service. Transactions in GIS, 20, 925-947
[8]  Hochmair, H. H. (2015). Assessment of Bicycle Service Areas around Transit Stations. International Journal of Sustainable Transportation, 9, 15-29.
[9]  Teimouri, M., Delavar, M. R., Malek, M. R., Van de Weghe, N., Neutens, T., and Hochmair, H. H. (2015). Accommodating User Preferences in Ad-Hoc Shared Ride Trip Planning Using GIS. Transportation Planning and Technology, 38, 816-831.
[10]  Alivand, M.  and Hochmair, H. H. (2015). Choice Set Generation for Modeling Scenic Route Choice Behavior Using GIS. Transportation Research Record: Journal of the Transportation Research Board, 2495, 101-111.
[11]  Mullins, A. J., Messenger, M. T., Hochmair, H. H., Tonini, F., Su, N.-Y., and Riegel, C. (2015). Dispersal Flights of the Formosan Subterranean Termite (Isoptera: Rhinotermitidae). Journal of Economic Entomology, 108, 707-719.
[12]  Parthasarathi, P., Hochmair, H. H., and Levinson, D. M. (2015). Street Network Structure and Household Activity Spaces. Urban Studies, 52, 1090-1112.
[13]  Hochmair, H. H., Zielstra, D., and Neis, P. (2015). Assessing the Completeness of Bicycle Trail and Designated Lane Features in OpenStreetMap for the United States. Transactions in GIS, 19, 63-81.
[14]  Alivand, M., Hochmair, H. H., and Srinivasan, S. (2015). Analyzing how travelers choose scenic routes using route choice models. Computers, Environment and Urban Systems, 50, 41-52.
[15]  Hochmair, H. H. and Zielstra, D. (2015). Analysing User Contribution Patterns of Drone Pictures to the dronestagram Photo Sharing Portal. Journal of Spatial Science, 60, 79-98.
[16]  Tonini, F., Hochmair, H. H., Scheffrahn, R. H., and DeAngelis, D. L. (2014). Stochastic spread models: a comparison between an individual-based and a cell-based model for assessing the expansion of invasive termites over a landscape. Environmental Informatics, 24, 222-230.
[17]  Weyrer, T. N., Hochmair, H. H., and Paulus, G. (2014). Intermodal Door-to-Door Routing for People with Physical Impairments in a Web-based Open Source Platform. Transportation Research Record: Journal of the Transportation Research Board, 2469, 108-119.
[18]  Scheffrahn, R. H., Hochmair, H. H., Kern Jr., W. H., Warner, J., Krecek, J., Maharajh, B., Cabrera, B. J., Hickman, R., and Dwinell, S. (2014). Targeted elimination of the exotic termite, Nasutitermes corniger (Isoptera: Termitidae: Nasutitermitinae), from infested tracts in southeastern Florida. International Journal of Pest Management, 60, 9-21.
[19]  Zielstra, D., Hochmair, H. H., Neis, P., and Tonini, F. (2014). Areal delineation of home regions from contribution and editing patterns in OpenStreetMap. ISPRS International Journal of Geo-Information, 3, 1211-1233.
[20]  Tonini, F., Divino, F., Lasinio, G. J., Hochmair, H. H., and Scheffrahn, R. H. (2014). Predicting the Geographical Distribution of Two Invasive Termite Species from Occurrence Data. Environmental Entomology, 43, 1135-1144.
[21]  Mooney, P., Rehrl, K., and Hochmair, H. H. (2013). Action and Interaction in Volunteered Geographic Information: A Workshop Review. Journal of Location Based Services, 7, 291-311.
[22]  Parthasarathi, P., Levinson, D., and Hochmair, H. H. (2013). Network Structure and Travel Time Perception. PLoS ONE, 8, e77718.
[23]  Hochmair, H. H., Tonini, F., and Scheffrahn, R. H. (2013). The Role of Geographic Information Systems for Analyzing Infestation and Spread of Invasive Termites in Urban South Florida. Florida Entomologist, 96, 746-755.
[24]  Zielstra, D. and Hochmair, H. H. (2013). Positional Accuracy Analysis of Flickr and Panoramio Images for Selected World Regions. Journal of Spatial Science, 58, 251-273.
[25]  Tonini, F. , Hochmair, H. H., Scheffrahn, R. H., and DeAngelis, D. L. (2013). Simulating the Spread of an Invasive Termite in an Urban Environment Using a Stochastic Individual-Based Model. Environmental Entomology, 42, 412-423.
[26]  Zielstra, D. , Hochmair, H. H., and Neis, P. (2013). Assessing the Effect of Data Imports on the Completeness of OpenStreetMap - A United States Case Study. Transactions in GIS, 17, 315-334.
[27]  Zielstra, D.  and Hochmair, H. H. (2012). Using Free and Proprietary Data to Compare Shortest-Path Lengths for Effective Pedestrian Routing in Street Networks. Transportation Research Record: Journal of the Transportation Research Board, 2299, 41-47.
[28]  Tonini , F. , Lasinio, G. L., and Hochmair, H. H. (2012). Mapping Return Levels of Absolute NDVI Variations for the Assessment of Drought Risk in Ethiopia. International Journal of Applied Earth Observation and Geoinformation, 18, 564-572.
[29]  Hochmair, H. H., Cucinella, J., and Stein, T. V. (2012). Identification of Environmental, Managerial, and Socio-demographic Correlates of Hiker Volume on the Florida National Scenic Trail. American Journal of Health Promotion, 27, e37-e46.
[30]  Parthasarathi, P., Hochmair, H. H., and Levinson, D. (2012). Network Structure and Spatial Separation. Environment and Planning B, 39, 137-154.
[31]  Zielstra, D.  and Hochmair, H. H. (2011). A Comparative Study of Pedestrian Accessibility to Transit Stations Using Free and Proprietary Network Data. Transportation Research Record: Journal of the Transportation Research Board, 2217, 145-152.
[32]  Hochmair, H. H. and Scheffrahn, R. H. (2010). Spatial Association of Marine Dockage with Land-Borne Infestations of Invasive Termites (Isoptera: Rhinotermitidae: Coptotermes) in Urban South Florida. Journal of Economic Entomology, 103, 1338-1346.
[33]  Hochmair, H. H. (2009). The Influence of Map Design on Route Choice from Public Transportation Maps in Urban Areas. The Cartographic Journal, 46, 242-256.
[34]  Hochmair, H. H., Büchner, S. J., and Hölscher, C. (2008). Impact of Regionalization and Detour on ad-hoc Path Choice. Spatial Cognition and Computation, 8, 167-192.
[35]  Hochmair, H. H. (2007). Dynamic Route Selection in Route Planners. Kartographische Nachrichten, 57, 70-78.
[36]  Hochmair, H. H. and Lüttich, K. (2006). An Analysis of the Navigation Metaphor - and Why It Works for the World Wide Web. Spatial Cognition and Computation, 6, 235-278.
[37]  Hochmair, H. H. (2005). Investigating the Effectiveness of the Least-angle Strategy for Wayfinding in Unknown Street Networks. Environment and Planning B, 32, 673-691.
[38]  Hochmair H. H. and Frank A.U. (2002). Influence of Estimation Errors on Wayfinding-Decisions in Unknown Street Networks - Analyzing the Least-angle Strategy. Spatial Cognition and Computation, 2, 283-313.