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Searching for authors named "Christopher Jones" – sorted by Relevance.

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  • The conditions of learning in networks  
  • by Christopher Jones — 2004 — Kaleidoscope CSCL SIG
  • …Abstract: This paper discusses the metaphor of networks in relation to networked learning and how the conditions that apply in networked environments might affect networked learning. The paper considers recent advances in the study of networks and how insights from this work might affect the underst…
  • Cited by 2 (0 self) – Add To MetaCart
  • Bayesian estimation of continuous-time finance models, Working Paper  
  • by Christopher S. Jones — 1999
  • …A new Bayesian method is proposed for the analysis of discretely sampled diffusion processes. The method, which is termed high frequency augmentation (HFA), is a simple numerical method that is applicable to a wide variety of univariate or multivariate diffusion and jump-diffusion processes. It is f…
  • Cited by 6 (0 self) – Add To MetaCart
  • Reduced Complexity MIMO Detectors for LDPC Coded Systems  
  • by Adina Matache, Christopher Jones, Richard Wesel — 2004 — in Military Communication Conf
  • …We consider the performance and complexity analysis of low-density parity-check (LDPC) coded multiple-input multiple-output (MIMO) systems with reduced-complexity detectors in fast Rayleigh fading channels. We use a turbo iterative detection-and-decoding receiver which combines a soft MIMO demodulat…
  • Cited by 1 (0 self) – Add To MetaCart
  • Dealing with Fragmented Recollection of Context in Information Management  
  • by David Elsweiler, Ian Ruthven, Christopher Jones — 2005 — In Context-Based Information Retrieval (CIR-05) Workshop in Fifth International and Interdisciplinary Conference on Modeling and Using Context (CONTEXT-05
  • …Abstract: It is important to find new ways to manage our personal digital information, because as the quantities of information we possess continue to grow, existing tools, which place burden on the user’s memory systems will become progressively inefficient. This paper reports our work to develop a…
  • Cited by 3 (1 self) – Add To MetaCart
  • A Multi-representation Spatial Data Model  
  • by Sheng Zhou, Christopher B. Jones — 2003 — Proceedings of the 8 th International Symposium on Advances in Spatial and Temporal Databases, SSTD 2003
  • …Abstract. Geo-referenced information is characterised by the fact that it may be represented on maps at different levels of detail or generalisation. Ideally a spatial database will provide access to spatial data across a continuous range of resolution and multiple levels of generalisation. Existing…
  • Cited by 4 (0 self) – Add To MetaCart
  • Augmenting Thesaurus Relationships: Possibilities for Retrieval  
  • by Douglas Tudhope, Harith Alani, Christopher Jones — 2001 — Journal of Digital Information
  • …This paper discusses issues concerning the augmentation of thesaurus relationships, in light of new application possibilities for retrieval. We first discuss a case study that explored the retrieval potential of an augmented set of thesaurus relationships by specialising standard relationships into …
  • Cited by 6 (1 self) – Add To MetaCart
  • Ontology-Driven Geographical Information Retrieval  
  • by Harith Alani, Christopher Jones, Douglas Tudhope — 2000
  • …enomena that are associated with the places via other semantic relationships such as "made_at". Further data include dates, alternative versions of names, and a spatial footprint (centroid) for each place. A place can participate in multiple hierarchies. A prototype has been implemented with the Sem…
  • Cited by 1 (0 self) – Add To MetaCart
  • Approximate-min* constraint node updating for LDPC code decoding  
  • by Christopher Jones, Esteban Valles, Michael Smith, John Villasenor — 2003 — Proc. IEEE Military Comm. Conf
  • …This work inrmduces a technique for updaring messages rhar originare ar rke consrrainr nodes of bi-partite graphs in Low-Density Parity-Check codes. The rechnique computes only WO ourgoing magnitudes ar each consrrainr node and exhibirs no measurable performance loss as compared ro exact belief prop…
  • Cited by 6 (0 self) – Add To MetaCart
  • Multi-Scale Spatial Database and Map Generalisation  
  • by Sheng Zhou, Christopher B. Jones — 2001 — 4th ICA Workshop on Progress in Automated Map Generalizatio
  • …The constitution of multi-scale spatial databases is closely linked to map generalisation. Elements of a multi-scale spatial database include multi-scale data models, multi-scale data storage schemes, methods to generate multi-scale datasets and methods to access these datasets and present results. …
  • Cited by 1 (0 self) – Add To MetaCart
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