- document
-
Luijten, B. (author), Visser, J. (author), Zaidman, A. (author)We mined the issue database of GNOME to assess how issues are handled. How many issues are submitted and resolved? Does the backlog grow or decrease? How fast are issues resolved? Does issue resolution speed increase or decrease over time? In which subproject are issues handled most efficiently? To answer such questions, we apply several...report 2013
- document
-
De Jonge, M. (author), Visser, E. (author)Spoofax is a language workbench for efficient development of textual domain-specific languages together with state-of-the-art IDE support. Spoofax integrates language and IDE development into a single environment, using concise, declarative specifications for languages and IDE services. We are extending Spoofax with a framework for the...report 2013
- document
-
Pang, X. (author), Fischer, D.G. (author), Visser, T.D. (author)We study the Gouy phase of a scalar wavefield that is focused by a lens suffering from primary spherical aberration. It is found that the Gouy phase has different behaviors at the two sides of the intensity maximum. This results in a systematic increase of the successive wavefront spacings around the diffraction focus. Since all lenses have some...journal article 2013
- document
-
Wachsmuth, G.H. (author), Konat, G.D.P. (author), Vergu, V.A. (author), Groenewegen, D.M. (author), Visser, E. (author)This paper is a pre-print of: Guido H. Wachsmuth, Gabriel D.P. Konat, Vlad A. Vergu, Danny M. Groenewegen, Eelco Visser. A Language Independent Task Engine for Incremental Name and Type Analysis. In: Martin Erwig, Richard F. Paige, Eric Van Wyk, editors, Software Language Engineering, Sixth International Conference, SLE 2013, Indianapolis, USA,...lecture notes 2013
- document
-
Straver, R. (author), Sistermans, E.A. (author), Holstege, H. (author), Visser, A. (author), Oudejans, C.B.M. (author), Reinders, M.J.T. (author)Genetic disorders can be detected by prenatal diagnosis using Chorionic Villus Sampling, but the 1:100 chance to result in miscarriage restricts the use to fetuses that are suspected to have an aberration. Detection of trisomy 21 cases noninvasively is now possible owing to the upswing of next-generation sequencing (NGS) because a small...journal article 2013
- document
-
Fuchs, M.J. (author), Bouman, J. (author), Broerse, D.B.T. (author), Visser, P.N.A.M. (author), Vermeersen, L.L.A. (author)The Japan Tohoku-Oki earthquake (9.0 Mw) of 11 March 2011 has left signatures in the Earth's gravity field that are detectable by data of the Gravity field Recovery and Climate Experiment (GRACE) mission. Because the European Space Agency's (ESA) satellite gravity mission Gravity field and steady-state Ocean Circulation Explorer (GOCE)—launched...journal article 2013
- document
-
Raghunathan, S.B. (author), Schouten, H.F. (author), Ubachs, W. (author), Ea Kim, B. (author), Gan, C.H. (author), Visser, T.D. (author)Dynamic control of the direction of radiation of the light emanating from a subwavelength slit carved out of a thin metal film is experimentally demonstrated. This is achieved by selective excitation of the individual guided modes in the slit by setting the phase of three coherent laser beams. By changing the voltage across a piezoelement, we...journal article 2013
- document
-
Raemaekers, S. (author), Nane, G.F. (author), Van Deursen, A. (author), Visser, J. (author)Preprint of a paper presented at: MSR 2013, The 10th Working Conference on Mining Software Repositories, May 18–19, 2013, San Francisco, California, USA.report 2013
- document
-
Pang, X. (author), Visser, T.D. (author)The Gouy phase, sometimes called the focal phase anomaly, is the curious effect that in the vicinity of its focus a diffracted field, compared to a non-diffracted, converging spherical wave of the same frequency, undergoes a rapid phase change by an amount of ?. We theoretically investigate the phase behavior and the polarization ellipse of a...journal article 2013
- document
-
Raghunathan, S.B. (author), Schouten, H.F. (author), Visser, T.D. (author)It was recently shown that so-called coherence vortices, singularities of the two-point correlation function, generally occur in partially coherent electromagnetic beams. We study the three-dimensional structure of these singularities and show that in successive cross sections of a beam a rich variety of topological reactions takes place. These...journal article 2013
- document
-
Visser, W.P.J. (author), Head, A.J. (author)report describes the work conducted by TUD for WP 1.3.3 of the ESPOSA project for the development of the BE1 engine simulation model in NLR’s Gas turbine Simulation Program, GSP. Results include simulation results, validation and the GSP model project files. The model is based on simulated data from PBS Velká Bíte, Czech Republic, (PBS). The...report 2013
- document
- Raemaekers, S.B.A. (author), Nane, G.F. (author), van Deursen, A. (author), Visser, J (author) conference paper 2013
- document
-
Sabbatini, D (author), Janssens, K (author), Hartjes, S. (author), Visser, H.G. (author), Gennaretti, M (author), Bernardini, Giovanni (author)This paper presents a sound synthesis approach that allows investigating the noise annoyance of rotorcraft in relation to the source components and flight path. The sound synthesis is based on a source-transfer-receiver model, describing the noise emission and directivity of the sources and their propagation towards the receiver point on the...conference paper 2013
- document
-
Konat, G. (author), Kats, L.C.L. (author), Wachsmuth, G. (author), Visser, E. (author)Preprint of paper published in: SLE 2012 - 5th International Conference on Software Language Engineering, 26-28 September 2012, Lecture Notes in Computer Science 7745; doi:10.1007/978-3-642-36089-3_18 In textual software languages, names are used to reference elements like variables, methods, classes, etc. Name resolution analyses these names in...lecture notes 2012
- document
-
Kats, L.C.L. (author), Vogelij, R.G. (author), Kalleberg, K.T. (author), Visser, E. (author)Preprint of paper published in: Onward! 2012 - Proceedings of the 11th SIGPLAN symposium on New ideas, new paradigms, and reflections on programming and software, 19-26 October 2012; 10.1145/2384592.2384603 Software is rapidly moving from the desktop to theWeb. The Web provides a generic user interface that allows ubiquitous access, instant...report 2012
- document
-
Valcke, S.L.A. (author), Polder, R.B. (author), Nijland, T.G. (author), Leegwater, G.A. (author), Visser, J.H.M. (author), Bigaj-van Vliet, A.J. (author)Most high filler concrete studies are based on relatively high contents of powder (cement + filler) (>400 kg m-3). This paper aims to increase the total fly ash content relative to the clinker content, while simultaneously minimizing the total powder content in the concrete to values lower than 300 kg m-3. The motivation for decreasing the total...journal article 2012
- document
-
De Jonge, M. (author), Kats, L.C.L. (author), Soderberg, E. (author), Visser, E. (author)Author's version of the work published in: ACM Transactions on Programming Languages and Systems (TOPLAS), 34 (4), 2012; doi:10.1145/2400676.2400678. Integrated development environments (IDEs) increase programmer productivity, providing rapid, interactive feedback based on the syntax and semantics of a language. Unlike conventional parsing...report 2012
- document
-
Raemaekers, S.B.A. (author), Van Deursen, A. (author), Visser, J. (author)Preprint of paper published in: ICSM 2012 - Proceedings of the IEEE International Conference on Software Maintenance, 23-28 September 2012; doi:10.1109/ICSM.2012.6405296 Backward compatibility is a major concern for any library developer. In this paper, we evaluate how stable a set of frequently used third-party libraries is in terms of method...report 2012
- document
-
Visser, W.M. (author)The research reported on in this thesis is part of a larger research project that aims to develop a negotiation support system called the Pocket Negotiator. This thesis focuses on the question how such a system can represent and reason about a user’s preferences between the possible outcomes of a negotiation. In real-world negotiations, there...doctoral thesis 2012
- document
-
Gustus, A. (author), Stillfried, G. (author), Visser, J. (author), Jörntell, H. (author), Van der Smagt, P. (author)An overview of mathematical modelling of the human hand is given. We consider hand models from a specific background: rather than studying hands for surgical or similar goals, we target at providing a set of tools with which human grasping and manipulation capabilities can be studied, and hand functionality can be described. We do this by...journal article 2012