Abhishek Srivastava

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Selecting the optimal service from a set of functionally equivalent services is non-trivial. Previous research has addressed this issue making use of Quality of Service (QoS) attributes of the candidate services. In doing this, researchers have however assumed that the customers' preference of the various QoS attributes varies linearly with the actual(More)
OBJECTIVE •  To investigate orgasmic outcomes in patients undergoing robotic-assisted laparoscopic radical prostatectomy (RALP) and the effects of age and nerve sparing on these outcomes. PATIENTS AND METHODS •  Between January 2005 and June 2007, 708 patients underwent RALP at our institution. •  We analysed postoperative potency and orgasmic outcomes in(More)
Users interact with many electronic devices via menus such as auditory or visual menus. Auditory menus can either complement or replace visual menus. We investigated how advanced auditory cues enhance auditory menus on a smartphone, with tapping, wheeling, and flicking input gestures. The study evaluated a spindex (speech index), in which audio cues inform(More)
The widespread adoption of service oriented architecture owes its popularity to service composition, where several web services are combined dynamically at runtime. As is evident today, the Internet is evolving towards the 'Future Internet'. In this context, web service composition has to deal with the problems of mobility, fault tolerance, reliability and(More)
Vehicular Ad Hoc Network (VANET) is an evolving technology of today's world and is expected to be all pervasive in the near future. The vehicles in VANET possess mobility as well as computational processing power. The vehicles collaboratively form the ad-hoc network and are peers of each other. This paper discusses solving Traffic Congestion as an(More)
This paper is focused on analyzing the details of one of the most widely used Q&A technical discussion forums on the Internet: StackOverflow. StackOverflow is a huge source of information for both academics and industry practitioners and its analysis can provide useful insights. This is evident by a growing body of work dedicated to the study of this(More)
The three-dimensional structure of the recombinant form of Erythrina corallodendron lectin, complexed with lactose, has been elucidated by X-ray crystallography at 2.55 A resolution. Comparison of this non-glycosylated structure with that of the native glycosylated lectin reveals that the tertiary and quaternary structures are identical in the two forms,(More)
Arginase is a binuclear Mn(2+)-metalloenzyme of urea cycle that catalyzes the conversion of L-arginine to L-ornithine and urea. Unlike other arginases, the Helicobacter pylori enzyme is selective for Co(2+), and has lower catalytic activity. To understand the differences in the biochemical properties as well as activity compared to other arginases, we(More)
Mobile devices are evolving as a new computing platform and a common means to provide access and process digital information. In the move to achieve ubiquitous computing, the role of mobile devices and web services cannot be understated. Mobile devices are predominantly in use for accessing web services. The same mobile devices are now becoming a feasible(More)