Event Detection from Flickr Data through Wavelet-based Spatial Analysis pdf

... of the detected events, and brief descrip- tions of the real events. Event Detection from Flickr Data through Wavelet-based Spatial Analysis Ling Chen L3S Research Center Leibniz University Hannover lchen@l3s.de Abhishek ... which detects event semantics from Flickr tags [20]. 5.1 Data set We crawled geo-tagged photos from the Flickr site us- ing the available F...

Ngày tải lên: 23/03/2014, 13:20

... point detection problem, namely the batch and the incremental versions. In the batch version the entire data set is available, as in the case of 24-hour data from traffic sensors, from which ... experiments was taken from highway traffic sensors, called loop detectors, in the 37 Figure 6: Data Set: V274 Figure 7: Data Set: V287 Figure 8: Data Set: V .Ol Figure 9:...

Ngày tải lên: 16/03/2014, 19:20

... of their heuristics on our lecture data (3.6%). This is on top of the average 11% RER from language model adaptation on the same data. We also achieve the RER from TBL without the obligatory round of ... rules are manually developed, TBL rules are automatically learned from training data. The training data consist of sample output from the stochastic model, aligned with the corr...

Ngày tải lên: 20/02/2014, 07:20

... A-MKL_4, which demonstrates that the information from other event classes DUAN ET AL.: VISUAL EVENT RECOGNITION IN VIDEOS BY LEARNING FROM WEB DATA 1677 TABLE 4 Means and Standard Deviations (Percent) ... prelearned classifiers from all the event classes leads to better performance when compared with A-MKL using the prelearned classifiers only from each individual event clas...

Ngày tải lên: 23/03/2014, 13:20

... ] Recipe 3.6 Combining Data in Tables from Heterogeneous Data Sources Problem You want to create a report that is based on data from tables in more than one data source. Solution Use ... retrieves data from both a SQL Server table and a Microsoft Access table to create a single result set. Specifically, Northwind Order data is retrieved from SQL Server and North...

Ngày tải lên: 14/12/2013, 18:16

... www.projectagency.com Project Management From web projects through to major change projects Project Agency 63 Project Management Tips from Project Agency Ltd ©Project Agency Tel: +44 ... stakeholders. 7. Use the project definition statement to prevent creep. Use it to prevent you going beyond the scope of the project through its use in the review process....

Ngày tải lên: 18/02/2014, 07:20

... (TUE) often creates four distinct types of mass events: 1) mass casualty events, 2) mass fatality events, 3) mass anxiety events, and 4) mass onlooker events (e.g., families, media, curiosity seekers, ... Mass Casualty Event Resulting from Terrorist Use of Explosives i n t e r i m p l a n n i n g g u i d a n c e f o r Preparedness and Response to a Mass Casualty Event Resulting fr...

Ngày tải lên: 19/02/2014, 03:20

... distance(PD1.loc, PD2.loc) ≥ 12 2.3 Event Detection Graphs Our event detection model is based on event detection graphs [8]. For each event expression, we construct an event detection tree. These trees ... by utilizing event statistics. The event detection model is an event detection graph generated from the given event specifications. Information sources feed t...

Ngày tải lên: 19/02/2014, 18:20

... addressed the challenges arising from extracting structured representations of events from short or informal texts. Extracting useful structured representations of events from this disorganized corpus ... discovered event types with percentage of data covered. Inter- pretable types representing significant events cover roughly half of the data. supervised approaches that will autom...

Ngày tải lên: 19/02/2014, 18:20

... Adaptation A new unusual event model is adapted from the general usual event model u sing the d etected outlier. The usual event model is adapted from the general usual event model using the other ... unusual events, are split from the parent usual event node; A leaf node representing an unusual event is also adapted from the parent unusual ev ent node. quences, the origin...

Ngày tải lên: 19/02/2014, 18:20