Foursquare is a search and discovery tool which helps users discover venues around the world. Much of the data for these recommendations come from its sister app Swarm, which is a location based social network where users can “check in” to places they visit. Older versions of Foursquare had a strongly static component to its recommendations. For instance, the top restaurants in New York City do...

The INSRT project short for INterpreted Sentiment in Real Time performs sentiment polarity classi cation on German tweets in real time. Classi cation of sentiment polarity in social media has become an important tool for reputation monitoring and trend analysis. For INSRT, we monitor the list of currently trending topics provided by the Twitter microblogging service and classify the tweets conc...

Fieldand petrographic studies of the Paleozoic metamorphic rocks of New York City suggest a new interpretation of the stratigraphy and structure of the region and has delineated a number of ductileand brittle faults. The belt of rocks originally lumped together as the Manhattan Schist is now interpreted to consist of three mappable units structurally imbricated by two major ductile faults, the ...

Twitter, a microblogging service, has evolved into a powerful communication platform with millions of active users who generate immense volume of microposts on a daily basis. To facilitate effective categorization and easy search, users adopt hashtags, keywords or phrases preceded by hash (#) character. Successful prediction of the spread and propagation of information in the form of trending t...

This paper presents a study conducted in collaboration with large Canadian engineering, procurement and construction management (EPCM) firm to identify areas of improvement in the current process of progress reporting and forecasting project status at different targeted future dates. The study focused mainly on trending and time/Cost control of engineering, procurement and construction (EPC) pr...

We discuss some challenges presented by trending data in time series econometrics. To the empirical economist there is little guidance from theory about the source of trend behavior and even less guidance about practical formulations. Moreover, recent proximity theorems reveal that trends are more elusive to model empirically than stationary processes, with the upshot that optimal forecasts are...