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Articles 811 - 840 of 2377
Full-Text Articles in Physical Sciences and Mathematics
Nonlocal Aggregation Equations: A Primer Of Swarm Equilibria, Chad Topaz, Andrew Bernoff
Nonlocal Aggregation Equations: A Primer Of Swarm Equilibria, Chad Topaz, Andrew Bernoff
Chad M. Topaz
No abstract provided.
College Algebra In Context With Applications To The Managerial, Life, And Social Sciences, Lisa Yocco, Ronald Harshbarger
College Algebra In Context With Applications To The Managerial, Life, And Social Sciences, Lisa Yocco, Ronald Harshbarger
Lisa S. Yocco
No abstract provided.
On The Potential Uses Of Static Offsets Derived From Low-Cost Community Instruments And Crowd-Sourcing For Earthquake Monitoring And Rapid Response, Sarah Minson, Benjamin Brooks, Jessica Murray, Robert Iannucci
On The Potential Uses Of Static Offsets Derived From Low-Cost Community Instruments And Crowd-Sourcing For Earthquake Monitoring And Rapid Response, Sarah Minson, Benjamin Brooks, Jessica Murray, Robert Iannucci
Robert A Iannucci
No abstract provided.
Integrative Analysis Of Prognosis Data On Multiple Cancer Subtypes, Shuangge Ma
Integrative Analysis Of Prognosis Data On Multiple Cancer Subtypes, Shuangge Ma
Shuangge Ma
In cancer research, profiling studies have been extensively conducted, searching for genes/SNPs associated with prognosis. Cancer is diverse. Examining similarity and difference in the genetic basis of multiple subtypes of the same cancer can lead to a better understanding of their connections and distinctions. Classic meta-analysis methods analyze each subtype separately and then compare analysis results across subtypes. Integrative analysis methods, in contrast, analyze the raw data on multiple subtypes simultaneously and can outperform meta-analysis methods. In this study, prognosis data on multiple subtypes of the same cancer are analyzed. An AFT (accelerated failure time) model is adopted to describe …
The Sediment Budget Of An Alpine Cirque, Johnny Sanders, Kurt Cuffey, Kelly Macgregor, Brian Collins
The Sediment Budget Of An Alpine Cirque, Johnny Sanders, Kurt Cuffey, Kelly Macgregor, Brian Collins
Kelly R. MacGregor
No abstract provided.
Hyaluronic Acid Based Self-Assembling Nanosystems For Cd44 Target Mediated Sirna Delivery To Solid Tumors., Arun Iyer
Arun Iyer
Anticancer therapeutics employing RNA interference mechanism holds promising potentials for sequence-specific silencing of target genes. However targeted delivery of siRNAs to tumor tissues and cells and more importantly, their intracellular release at sites of interest still remains a major challenge that needs to be addressed before this technique could become a clinically viable option. In the current study, we have engineered and screened a series of CD44 targeting hyaluronic acid (HA) based self-assembling nanosystems for targeted siRNA delivery. The HA polymer was functionalized with lipids of varying carbon chain lengths/nitrogen content, as well as polyamines for assessing siRNA encapsulation. From …
On The Construction Of Number Sequence Identities, Tian-Xiao He, Wun-Seng Chou
On The Construction Of Number Sequence Identities, Tian-Xiao He, Wun-Seng Chou
Tian-Xiao He
To construct a class of identities for number sequences generated by linear recurrence relations. An alternative method based on the generating functions of the sequences is given. The equivalence between two methods for linear recurring sequences are also shown. However, the second method is not limited to the linear recurring sequences, which can be used for a wide class of sequences possessing rational generating functions. As examples, Many new and known identities of Stirling numbers of the second kind, Pell numbers, Jacobsthal numbers, etc., are constructed by using our approach. Finally, we discuss the hyperbolic expression of the identities of …
A Comparison Of Periodic Autoregressive And Dynamic Factor Models In Intraday Energy Demand Forecasting, Thomas Mestekemper, Goeran Kauermann, Michael Smith
A Comparison Of Periodic Autoregressive And Dynamic Factor Models In Intraday Energy Demand Forecasting, Thomas Mestekemper, Goeran Kauermann, Michael Smith
Michael Stanley Smith
We suggest a new approach for forecasting energy demand at an intraday resolution. Demand in each intraday period is modeled using semiparametric regression smoothing to account for calendar and weather components. Residual serial dependence is captured by one of two multivariate stationary time series models, with dimension equal to the number of intraday periods. These are a periodic autoregression and a dynamic factor model. We show the benefits of our approach in the forecasting of district heating demand in a steam network in Germany and aggregate electricity demand in the state of Victoria, Australia. In both studies, accounting for weather …
Applications Of Bis(Trimethylsilyl)Acetylene In 1,2,3-Triazole Synthesis, Ronald Brisbois, J. Cutter, F. Gwandu, A. Johnson
Applications Of Bis(Trimethylsilyl)Acetylene In 1,2,3-Triazole Synthesis, Ronald Brisbois, J. Cutter, F. Gwandu, A. Johnson
Ronald Brisbois
No abstract provided.
Wave Transmission And Water Setup Behind An Emergent Rubble-Mound Breakwater, Lorenzo Cappietti, Douglas Sherman, Jean Ellis
Wave Transmission And Water Setup Behind An Emergent Rubble-Mound Breakwater, Lorenzo Cappietti, Douglas Sherman, Jean Ellis
Jean Taylor Ellis
No abstract provided.
The Calculus Student: Insights From The Mathematical Association Of America National Study, David Bressoud, Marilyn Carlson, Vilma Mesa, Chris Rassmusen
The Calculus Student: Insights From The Mathematical Association Of America National Study, David Bressoud, Marilyn Carlson, Vilma Mesa, Chris Rassmusen
David Bressoud
No abstract provided.
Storm-Driven Hydrodynamic And Sedimentological Impacts To An Engineered Coast, Jean Ellis, Lorenzo Cappietti
Storm-Driven Hydrodynamic And Sedimentological Impacts To An Engineered Coast, Jean Ellis, Lorenzo Cappietti
Jean Taylor Ellis
No abstract provided.
Teaching Undergraduates Using Local Virtual Clusters, R. Brown, Elizabeth Shoop
Teaching Undergraduates Using Local Virtual Clusters, R. Brown, Elizabeth Shoop
Elizabeth Shoop
No abstract provided.
Representations Of The Rook-Brauer Algebra, Thomas Halverson, Elise Delmas
Representations Of The Rook-Brauer Algebra, Thomas Halverson, Elise Delmas
Thomas M. Halverson
No abstract provided.
Constraints On The Geodynamical Evolution Of Crete: Insights From Illite Crystallinity, Raman Spectroscopy And Calcite Twinning Above And Below The 'Cretan Detachment', T. Klein, John Craddock, G. Zulauf
Constraints On The Geodynamical Evolution Of Crete: Insights From Illite Crystallinity, Raman Spectroscopy And Calcite Twinning Above And Below The 'Cretan Detachment', T. Klein, John Craddock, G. Zulauf
John Craddock
No abstract provided.
Characterization Of Aeolian Streamers Using Time-Average Videography, Douglas Sherman, Houser Chris, Jean Ellis, Eugene Farrell, Bailiang Li, Robin Davidson-Arnott, Andrea Baas, Luis Maia
Characterization Of Aeolian Streamers Using Time-Average Videography, Douglas Sherman, Houser Chris, Jean Ellis, Eugene Farrell, Bailiang Li, Robin Davidson-Arnott, Andrea Baas, Luis Maia
Jean Taylor Ellis
No abstract provided.
Constructing And Evaluating An Autoregressive House Price Index, Chaitra Nagaraja, Lawrence Brown
Constructing And Evaluating An Autoregressive House Price Index, Chaitra Nagaraja, Lawrence Brown
Chaitra H Nagaraja
No abstract provided.
Molecular-Beam Optical Stark And Zeeman Study Of The [17.8]0+-X1s+ Band System Of Auf, Timothy Steimle, Ruohan Zhang, Chengbing Qin
Molecular-Beam Optical Stark And Zeeman Study Of The [17.8]0+-X1s+ Band System Of Auf, Timothy Steimle, Ruohan Zhang, Chengbing Qin
Thomas D. Varberg
No abstract provided.
The First Year Of Calculus And Statistics At Macalester College, Karen Saxe, Dan Flath, Tom Halverson, Daniel Kaplan
The First Year Of Calculus And Statistics At Macalester College, Karen Saxe, Dan Flath, Tom Halverson, Daniel Kaplan
Karen Saxe
No abstract provided.
Detrital Zircon Provenance Of The Mesoproterozoic Midcontinent Rift, Lake Superior Region, Usa: Journal Of Geology, V. 121, P. 57-73., John Craddock, Alex Konstantinou, Jeffrey Vervoort, Karl Wirth, Cam Davidson, Lee Finley-Blasi, Natalie Juda, Erin Walker
Detrital Zircon Provenance Of The Mesoproterozoic Midcontinent Rift, Lake Superior Region, Usa: Journal Of Geology, V. 121, P. 57-73., John Craddock, Alex Konstantinou, Jeffrey Vervoort, Karl Wirth, Cam Davidson, Lee Finley-Blasi, Natalie Juda, Erin Walker
Karl Wirth
No abstract provided.
Tuning Of Magnetization In Vertical Graphenes By Plasma-Enabled Chemical Conversion Of Organic Precursors With Different Oxygen Content, Zengji Yue
Zengji Yue
Different magnetization in vertical graphenes fabricated by plasma-enabled chemical conversion of organic precursors with various oxygen atom contents and bonding energies was achieved. The graphenes grown from fat-like precursors exhibit magnetization up to 8 emu g−1, whereas the use of sugar-containing precursors results in much lower numbers. A relatively high Curie temperature exceeding 600 K was also demonstrated.
The Life Of A Vortex Knot, Dustin Kleckner, Martin Scheeler, William M. Irvine
The Life Of A Vortex Knot, Dustin Kleckner, Martin Scheeler, William M. Irvine
William M. Irvine
No abstract provided.
Semantically Related Software Terms And Their Taxonomy By Leveraging Collaborative Tagging, Shaowei Wang, David Lo, Lingxiao Jiang
Semantically Related Software Terms And Their Taxonomy By Leveraging Collaborative Tagging, Shaowei Wang, David Lo, Lingxiao Jiang
David LO
Millions of people, including those in the software engineering communities have turned to microblogging services, such as Twitter, as a means to quickly disseminate information. A number of past studies by Treude et al., Storey, and Yuan et al. have shown that a wealth of interesting information is stored in these microblogs. However, microblogs also contain a large amount of noisy content that are less relevant to software developers in engineering software systems. In this work, we perform a preliminary study to investigate the feasibility of automatic classification of microblogs into two categories: relevant and irrelevant to engineering software systems. …
Mining Indirect Antagonistic Communities From Social Interactions, Kuan Zhang, David Lo, Ee Peng Lim, Philips Kokoh Prasetyo
Mining Indirect Antagonistic Communities From Social Interactions, Kuan Zhang, David Lo, Ee Peng Lim, Philips Kokoh Prasetyo
David LO
Antagonistic communities refer to groups of people with opposite tastes, opinions, and factions within a community. Given a set of interactions among people in a community, we develop a novel pattern mining approach to mine a set of antagonistic communities. In particular, based on a set of user-specified thresholds, we extract a set of pairs of communities that behave in opposite ways with one another. We focus on extracting a compact lossless representation based on the concept of closed patterns to prevent exploding the number of mined antagonistic communities. We also present a variation of the algorithm using a divide …
Searching Connected Api Subgraph Via Text Phrases, Wing-Kwan Chan, Hong Cheng, David Lo
Searching Connected Api Subgraph Via Text Phrases, Wing-Kwan Chan, Hong Cheng, David Lo
David LO
Reusing APIs of existing libraries is a common practice during software development, but searching suitable APIs and their usages can be time-consuming [6]. In this paper, we study a new and more practical approach to help users find usages of APIs given only simple text phrases, when users have limited knowledge about an API library. We model API invocations as an API graph and aim to find an optimum connected subgraph that meets users' search needs. The problem is challenging since the search space in an API graph is very huge. We start with a greedy subgraph search algorithm which …
Learning Extended Fsa From Software: An Empirical Assessment, David Lo, Leonardo Mariani, Mauro Santoro
Learning Extended Fsa From Software: An Empirical Assessment, David Lo, Leonardo Mariani, Mauro Santoro
David LO
A number of techniques that infer finite state automata from execution traces have been used to support test and analysis activities. Some of these techniques can produce automata that integrate information about the data-flow, that is, they also represent how data values affect the operations executed by programs. The integration of information about operation sequences and data values into a unique model is indeed conceptually useful to accurately represent the behavior of a program. However, it is still unclear whether handling heterogeneous types of information, such as operation sequences and data values, necessarily produces higher quality models or not. In …
Scenario-Based And Value-Based Specification Mining: Better Together, David Lo, Shahar Maoz
Scenario-Based And Value-Based Specification Mining: Better Together, David Lo, Shahar Maoz
David LO
Specification mining takes execution traces as input and extracts likely program invariants, which can be used for comprehension, verification, and evolution related tasks. In this work we integrate scenario-based specification mining, which uses a data-mining algorithm to suggest ordering constraints in the form of live sequence charts, an inter-object, visual, modal, scenario-based specification language, with mining of value-based invariants, which detects likely invariants holding at specific program points. The key to the integration is a technique we call scenario-based slicing, running on top of the mining algorithms to distinguish the scenario-specific invariants from the general ones. The resulting suggested specifications …
Observatory Of Trends In Software Related Microblogs, Achananuparp Palakorn, Nelman Lubis Ibrahim, Yuan Tian, David Lo, Ee Peng Lim
Observatory Of Trends In Software Related Microblogs, Achananuparp Palakorn, Nelman Lubis Ibrahim, Yuan Tian, David Lo, Ee Peng Lim
David LO
Microblogging has recently become a popular means to disseminate information among millions of people. Interestingly, software developers also use microblog to communicate with one another. Different from traditional media, microblog users tend to focus on recency and informality of content. Many tweet contents are relatively more personal and Opinionated, compared to that of traditional news report. Thus, by analyzing microblogs, one could get the up-to-date information about what people are interested in or feel toward a particular topic. In this paper, we describe our microblog observatory that aggregates more than 70,000 Twitter feeds, captures software-related tweets, and computes trends from …
Kbe-Anonymity: Test Data Anonymization For Evolving Programs, - Lucia, David Lo, Lingxiao Jiang, Aditya Budi
Kbe-Anonymity: Test Data Anonymization For Evolving Programs, - Lucia, David Lo, Lingxiao Jiang, Aditya Budi
David LO
High-quality test data that is useful for effective testing is often available on users’ site. However, sharing data owned by users with software vendors may raise privacy concerns. Techniques are needed to enable data sharing among data owners and the vendors without leaking data privacy. Evolving programs bring additional challenges because data may be shared multiple times for every version of a program. When multiple versions of the data are cross-referenced, private information could be inferred. Although there are studies addressing the privacy issue of data sharing for testing and debugging, little work has explicitly addressed the challenges when programs …
To What Extent Could We Detect Field Defects? —An Empirical Study Of False Negatives In Static Bug Finding Tools, Ferdian Thung, - Lucia, David Lo, Lingxiao Jiang, Premkumar Devanbu, Foyzur Rahman
To What Extent Could We Detect Field Defects? —An Empirical Study Of False Negatives In Static Bug Finding Tools, Ferdian Thung, - Lucia, David Lo, Lingxiao Jiang, Premkumar Devanbu, Foyzur Rahman
David LO
Software defects can cause much loss. Static bug-finding tools are believed to help detect and remove defects. These tools are designed to find programming errors; but, do they in fact help prevent actual defects that occur in the field and reported by users? If these tools had been used, would they have detected these field defects, and generated warnings that would direct programmers to fix them? To answer these questions, we perform an empirical study that investigates the effectiveness of state-of-the-art static bug finding tools on hundreds of reported and fixed defects extracted from three open source programs: Lucene, Rhino, …