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Displaying 1-15 out of 15 total
Scalable Execution of Continuous Aggregation Queries over Web Data
Found in: IEEE Internet Computing
By Rajeev Gupta,Krithi Ramamritham
Issue Date:January 2012
pp. 43-51
Data delivered over the Internet is increasingly being used to provide dynamic and personalized user experiences. Queries over fast-changing data from distributed data sources are executed to create content to be delivered to users. Because these queries r...
 
Query Planning for Continuous Aggregation Queries over a Network of Data Aggregators
Found in: IEEE Transactions on Knowledge and Data Engineering
By Rajeev Gupta,Krithi Ramamritham
Issue Date:June 2012
pp. 1065-1079
Continuous queries are used to monitor changes to time varying data and to provide results useful for online decision making. Typically a user desires to obtain the value of some aggregation function over distributed data items, for example, to know value ...
 
Ratio threshold queries over distributed data sources
Found in: Data Engineering, International Conference on
By Rajeev Gupta, Krithi Ramamritham, Mukesh Mohania
Issue Date:March 2010
pp. 581-584
In this paper we consider triggers over distributed data from various sources such as: “Notify when sale of luxury goods constitute more than 20% of the overall sales”. In such queries client desires to be notified whenever the ratio of two aggregates, ove...
 
Multi-dimensional Knowledge Integration for Efficient Incident Management in a Services Cloud
Found in: Services Computing, IEEE International Conference on
By Rajeev Gupta, K. Hima Prasad, Laura Luan, Daniela Rosu, Chris Ward
Issue Date:September 2009
pp. 57-64
The increasing complexity and dynamics in IT infrastructure and the emerging Cloud services present challenges to timely incident/problem diagnosis and resolution. In this paper we present a problem determination platform with multi-dimensional knowledge i...
 
Automating ITSM Incident Management Process
Found in: Autonomic Computing, International Conference on
By Rajeev Gupta, K Hima Prasad, Mukesh Mohania
Issue Date:June 2008
pp. 141-150
Service desks are used by customers to report IT issues in enterprise systems. Most of these service requests are resolved by level-1 persons (service desk attendants) by providing information/quick-fix solutions to customers. For each service request, lev...
 
Visuo-Haptic Interface for Hair
Found in: Cyberworlds, International Conference on
By Nadia Magnenat-Thalmann, Melanie Montagnol, Ugo Bonanni, Rajeev Gupta
Issue Date:October 2007
pp. 3-12
In this paper, we focus on adaptive visuo-haptic simulation of hair using force feedback haptic devices, and propose an easy-to-use interactive hair modelling interface. The underlying idea is to explore ways of integrating visual hair simulation and hapti...
 
Identity Delegation in Policy Based Systems
Found in: Policies for Distributed Systems and Networks, IEEE International Workshop on
By Rajeev Gupta, Shourya Roy, Manish Bhide
Issue Date:June 2007
pp. 229-240
Policy based systems have received considerable attention in the recent past from academia as well as the industry. Research on policy based systems encompasses a gamut of areas such as: models and languages for policy based systems, policy standards, doma...
 
Automatically Identifying Known Software Problems
Found in: Data Engineering Workshops, 22nd International Conference on
By Natwar Modani, Rajeev Gupta, Guy Lohman, Tanveer Syeda-Mahmood, Laurent Mignet
Issue Date:April 2007
pp. 433-441
Re-occurrence of the same problem is very common in many large software products. By matching the symptoms of a new problem to those in a database of known problems, automated diagnosis and even self-healing for re-occurrences can be (partially) realized. ...
 
Scattering-Based Interactive Hair Rendering
Found in: Computer Aided Design and Computer Graphics, International Conference on
By Rajeev Gupta, Nadia Magnenat-Thalmann
Issue Date:December 2005
pp. 489-496
Simulating fast and realistic complex light effect within hair is one of the most challenging problems in the field of virtual humans, both in terms of research and of development. In this paper we propose a scattering-based fast and efficient algorithm th...
 
Distributed execution of continuous queries
Found in: 2014 IEEE 30th International Conference on Data Engineering (ICDE)
By Rajeev Gupta,Krithi Ramamritham
Issue Date:March 2014
pp. 1306-1309
Data delivered over the internet is increasingly being used for providing dynamic and personalized user experiences. To achieve this, queries are executed over fast changing data from distributed sources. As these queries require data from multiple sources...
   
Massive structured data management solution
Found in: Proceedings of the 19th ACM international conference on Information and knowledge management (CIKM '10)
By Himanshu Gupta, Mukesh Mohania, Rajeev Gupta, Ullas Nambiar
Issue Date:October 2010
pp. 1905-1908
The need to analyze structured data for various business intelligence applications such as customer churn analysis, social network analysis, etc. is well known. However, the potential size to which such data will scale in future will make solutions that re...
     
Efficiently querying archived data using Hadoop
Found in: Proceedings of the 19th ACM international conference on Information and knowledge management (CIKM '10)
By Himanshu Gupta, Mukesh Mohania, Rajeev Gupta, Ullas Nambiar
Issue Date:October 2010
pp. 1301-1304
The need to analyze structured data for various business intelligence applications such as customer churn analysis, social network analysis, telecom network monitoring etc., is well known. However, the potential size to which such data will scale in future...
     
Optimized query planning of continuous aggregation queries in dynamic data dissemination networks
Found in: Proceedings of the 16th international conference on World Wide Web (WWW '07)
By Krithi Ramamritham, Rajeev Gupta
Issue Date:May 2007
pp. 321-330
Continuous queries are used to monitor changes to time varying data and to provide results useful for online decision making. Typically a user desires to obtain the value of some aggregation function over distributed data items, for example, to know (a) th...
     
Executing incoherency bounded continuous queries at web data aggregators
Found in: Proceedings of the 14th international conference on World Wide Web (WWW '05)
By Ashish Puri, Krithi Ramamritham, Rajeev Gupta
Issue Date:May 2005
pp. 54-65
Continuous queries are used to monitor changes to time varying data and to provide results useful for online decision making. Typically a user desires to obtain the value of some function over distributed data items, for example, to determine when and whet...
     
Capacity evaluation of frequency hopping based ad-hoc systems
Found in: Proceedings of the 2001 ACM SIGMETRICS international conference on Measurement and modeling of computer systems (SIGMETRICS '01)
By Apurva Kumar, Rajeev Gupta
Issue Date:June 2001
pp. 261-269
The IEEE 802.15 Wireless Personal Area Networks (WPAN) study group has been working on evolving a standard for short-range wireless connectivity between low complexity and low power devices operating within the personal operating space (POS). The scenarios...
     
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