Browsing by Author "Das, Gautam"

Now showing items 1-6 of 6

    • Conceptual data sampling for breast cancer histology image classification 

      Rezk, Eman; Awan, Zainab; Islam, Fahad; Jaoua, Ali; Al Maadeed, Somaya; ... more authors ( Elsevier Ltd , 2017 , Article)
      Data analytics have become increasingly complicated as the amount of data has increased. One technique that is used to enable data analytics in large datasets is data sampling, in which a portion of the data is selected ...

    • HDBExpDetector: Aggregate sudden-change detector over dynamic web databases 

      Bin Suhaim, Saad; Zhang, Nan; Das, Gautam; Jaoua, Ali ( IEEE Computer Society , 2017 , Conference Paper)
      We propose to demonstrate HDBExpDetector, a system for analysts to discover bursty events from a thirdparty web database by using nothing but the existing search interface of the web database to monitor and detect sudden ...

    • Individual Query Cardinality Estimation using Multiple Query Combinations on a Search Engine's Corpus 

      Islam, Fahad; Hassaine, Abdelaali; Jaoua, Ali; Das, Gautam; Zhang, Nan ( Institute of Electrical and Electronics Engineers Inc. , 2017 , Conference Paper)
      Most modern search engines feature keyword based search interfaces. These interfaces are usually found on websites belonging to enterprises or governments or sites related to news articles, blogs and social media that ...

    • MobiFace: A Mobile Application for Faceted Search over Hidden Web Databases 

      Nazi, Azade; Asudeh, Abolfazl; Das, Gautam; Zhang, Nan; Jaoua, Ali ( Institute of Electrical and Electronics Engineers Inc. , 2017 , Conference Paper)
      A large number of web databases are hidden behind form-based interfaces (consisting of interface components such as textboxes, drop-down boxes, etc) for users to enter their desired values in a search query. Form-based ...

    • Optimized Processing of a Batch of Aggregate Queries over Hidden Databases 

      Rezk, Eman; Aqle, Aboubakr; Jaoua, Ali; Das, Gautam; Zhang, Nan ( Institute of Electrical and Electronics Engineers Inc. , 2017 , Conference Paper)
      A tremendous amount of data is concealed behind form-based interfaces that communicate any user query to their data store to deliver query answer. These interfaces limit the number of retrieved search results to the top-k ...

    • Query hidden attributes in social networks 

      Nazi, Azade; Thirumuruganathan, Saravanan; Hristidis, Vagelis; Zhang, Nan; Shaban, Khaled; ... more authors ( IEEE Computer Society , 2015 , Conference Paper)
      Micro blogs and collaborative content sites such as Twitter and Amazon are popular among millions of users who generate huge numbers of tweets, posts, and reviews every day. Despite their popularity, these sites only provide ...