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Articles 1 - 9 of 9
Full-Text Articles in Physical Sciences and Mathematics
Ssrn As An Initial Revolution In Academic Knowledge Aggregation And Dissemination, David Bray, Sascha Vitzthum, Benn Konsynski
Ssrn As An Initial Revolution In Academic Knowledge Aggregation And Dissemination, David Bray, Sascha Vitzthum, Benn Konsynski
Sascha Vitzthum
Within this paper we consider our results of using the Social Science Research Network (SSRN) over a period of 18 months to distribute our working papers to the research community. Our experiences have been quite positive, with SSRN serving as a platform both to inform our colleagues about our research as well as inform us about related research (through email and telephoned conversations of colleagues who discovered our paper on SSRN). We then discuss potential future directions for SSRN to consider, and how SSRN might well represent an initial revolution in 21st century academic knowledge aggregation and dissemination. Our paper …
Towards Self-Organizing, Smart Business Networks: Let’S Create ‘Life’ From Inert Information, David Bray, Benn Konsynski
Towards Self-Organizing, Smart Business Networks: Let’S Create ‘Life’ From Inert Information, David Bray, Benn Konsynski
David A. Bray
We review three different theories that can inform how researchers can determine the performance of smart business networks, to include: (1) the Theory of Evolution, (2) the Knowledge-Based Theory of the Firm, and (3) research insights into computers and cognition. We suggest that each of these theories demonstrate that to be generally perceived as smart, an organism needs to be self-organizing, communicative, and tool-making. Consequentially, to determine the performance of a smart business network, we suggest that researchers need to determine the degree to which it is self-organizing, communicative, and tool-making. We then relate these findings to the Internet and …
Spatio-Temporal Efficiency In A Taxi Dispatch System, Darshan Santani, Rajesh Krishna Balan, C. Jason Woodard
Spatio-Temporal Efficiency In A Taxi Dispatch System, Darshan Santani, Rajesh Krishna Balan, C. Jason Woodard
C. Jason Woodard
In this paper, we present an empirical analysis of the GPS-enabled taxi dispatch system used by the world’s second largest land transportation company. We first summarize the collective dynamics of the more than 6,000 taxicabs in this fleet. Next, we propose a simple method for evaluating the efficiency of the system over a given period of time and geographic zone. Our method yields valuable insights into system performance—in particular, revealing significant inefficiencies that should command the attention of the fleet operator. For example, despite the state of the art dispatching system employed by the company, we find imbalances in supply …
On Searching Compressed String Collections Cache-Obliviously, Ankur Gupta, Paolo Ferragina, Roberto Grossi, Rahul Shah, Jeffrey Vitter
On Searching Compressed String Collections Cache-Obliviously, Ankur Gupta, Paolo Ferragina, Roberto Grossi, Rahul Shah, Jeffrey Vitter
Ankur Gupta
Constant-Time Query Processing, Vijayshankar Raman, Garret Swart, Lin Qiao, Frederick Reiss, Vijay Dialani, Donald Kossmann, Inderpal Narang, Richard Sidle
Constant-Time Query Processing, Vijayshankar Raman, Garret Swart, Lin Qiao, Frederick Reiss, Vijay Dialani, Donald Kossmann, Inderpal Narang, Richard Sidle
Vijay Dialani
Query performance in current systems depends significantly on tuning: how well the query matches the available indexes, materialized views etc. Even in a well tuned system, there are always some queries that take much longer than others. This frustrates users who increasingly want consistent response times to ad hoc queries. We argue that query processors should instead aim for constant response times for all queries, with no assumption about tuning. We present Blink, our first attempt at this goal, that runs every query as a table scan over a fully denormalized database, with hash group-by done along the way. …
Nearly Tight Bounds On The Encoding Length Of The Burrows-Wheeler Transform., Roberto Grossi, Ankur Gupta, Jeffery Vitter
Nearly Tight Bounds On The Encoding Length Of The Burrows-Wheeler Transform., Roberto Grossi, Ankur Gupta, Jeffery Vitter
Ankur Gupta
Rounds, Levels, And Waves: The Early Evolution Of Gameplay Segmentation, Jose Zagal, Clara Fernandez-Vara, Michael Mateas
Rounds, Levels, And Waves: The Early Evolution Of Gameplay Segmentation, Jose Zagal, Clara Fernandez-Vara, Michael Mateas
Jose P Zagal
This article explores the early evolution of the structure and management of gameplay in videogames. We introduce the notion of gameplay segmentation to capture the role that design elements like level, boss, and wave play in videogames, and identify three modes of segmentation. Temporal segmentation limits, synchronizes and/or coordinates player activity over time. Spatial segmentation breaks the game’s virtual space into sub-locations. Challenge segmentation presents the player with a sequence of self-contained challenges. We describe each mode, and additional sub-modes, by analyzing vintage arcade games. Our analyses illustrate how these games represent a “primordial soup” in which many current game …
Association-Based Image Retrieval, Arun D. Kulkarni, H. Gunturu, S. Datla
Association-Based Image Retrieval, Arun D. Kulkarni, H. Gunturu, S. Datla
Arun Kulkarni
No abstract provided.
Association-Based Image Retrieval, Arun D. Kulkarni, Harikrisha Gunturu, Srikanth Datla
Association-Based Image Retrieval, Arun D. Kulkarni, Harikrisha Gunturu, Srikanth Datla
Arun Kulkarni