diffusion graph partitioning and diffusion distances

... topic graph Figure 2: The topic graph computed from the snippets for the query “Justin Bieber” The user can double touch on a node to display the associated snippets and web pages Since a topic graph ... expanded adds its label to the initial user query and triggers a new search with that expanded query Figure 3: The topic graph from Fig has been expanded by a single touch on the node labeled “selena ... the snippets, expanding the graph etc The nodes and edges are computed from the chunk–pair–distance elements Since, the number of these elements is quite large (up to several thousands), the elements...

Ngày tải lên: 20/02/2014, 05:20

... sentence x ∈ T , BC has access at training time to both the gold standard dependency graph Gx and the graph GC predicted by C, and it is x the latter that forms the basis for the additional guide ... nodes in V , as exemplified by the graph in figure This is a common constraint in many dependency parsing theories and their implementations 2.2 Graph- Based Models Graph- based dependency parsers parameterize ... storing partially processed nodes and a buffer βc containing the remaining input Transitions in such a system add arcs to the dependency graph and manipulate the stack and buffer One example is the...

Ngày tải lên: 08/03/2014, 01:20

... Graphs and vertex degrees Degree sequence Subgraphs and line graphs 2.2 Graph representations Data structures Graph isomorphism 2.3 Connectivity 2.4 Drawing graphs ... Different graphs with the same ordered degree sequence: (a) [3, 3, 2, 2, 2], and (b) [7, 5, 5, 4, 4, 4, 4, 3] Subgraphs and line graphs Another important concept of graphs is that of a subgraph A graph ... a so-called cubic graph (i.e., 3-regular graph) with vertices and three of its subgraphs Q G1 G2 G3 Figure 2.5: The cubic graph Q with vertices and three subgraphs G1 , G2 , and G3 When analyzing...

Ngày tải lên: 31/03/2014, 21:22

... without rain, and by leaching of nutrient from plants, and absorption of ions from the rain [34, 36] The actual nutrient balances depend on forest type, rainfall excess and soil types and may reflect ... Island, southwestern Japan Overall, the understanding of biogeochemical cycling in tropical and subtropical forests is still relatively poor compared with temperate forests [6, 42] Okinawa Island, ... Typhoons occur frequently between July and October, bringing high rainfall and strong winds to the island The soil of the study site has a clay loam texture, and has developed from Palaeozoic clay-slate,...

Ngày tải lên: 08/08/2014, 00:21

... integer and G is a non-empty graph, then the r graph G s contains loop edges On the other hand, for bipartite graphs or graphs with loop edges, one can easily recognize the existence of a graph ... Hajiabolhassan, Graph homomorphims through random walks, J Graph Theory, 44 (2003), 15–38 [5] A Daneshgar and H Hajiabolhassan, Graph homomorphisms and nodal domains, Linear Algebra and its Applications, ... H¨ggkvist and P Hell, Universality of A-mote graphs, European J Combinatorics, a 14 (1993), 23–27 [10] G Hahn and C Tardif, Graph homomorphisms: structure and symmetry, in Graph Symmetry, G Hahn and...

Ngày tải lên: 08/08/2014, 11:20

... of H A class X of graphs is minor-closed if every minor of every graph in X is also in X , and some graph is not in X The join of graphs G and H, denoted by G ∗ H, is the graph obtained by adding ... corollaries of Theorems 1.1 and 1.2 All graphs considered in this paper are undirected, simple, and finite To contract an edge vw in a graph G means to delete vw, identify v and w, and replace any parallel ... edgeless graphs, and D0 = {K2 } Similarly D1 is the class of forests, and D1 = {K3 } Graphs in D2 are often called series-parallel D2 and D3 are easily determined; see Figure K4 K5 K2,2,2 Figure 1: Graphs...

Ngày tải lên: 08/08/2014, 12:23

... compose the graphs Γ1 and Γ2 thus obtaining a new graph which is called the circle product of Γ1 and Γ2 Definition 2.1 The circle product Γ1 ◦Γ2 is the graph obtained as the union of all graphs er ... presented in Theorems 3.4, 4.1 and 4.2 and need some machinery and preliminary lemmas explained below Let S = {e1 , e2 , , ew } be a 1–factor of the complete graph K2w and let F1 , , Fw be w ... L2 , 2Mw ) w Proof The graph T is the disjoint union of the graphs ei ◦ Fi , i = 1, , w, and it is a subgraph of K2w ⋄ K2n+1 = K2n(2w−1)+1 Moreover let e1 = [∞, b1 ] and ei = [ai , bi ], i...

Ngày tải lên: 08/08/2014, 14:22

... the upper, inner and lower crowns were randomly taken from different trees at regular intervals (weekly and fortnightly in 1993; monthly in spring 1994 and 1995) and before and after the application ... by leaves is much faster than for NH + N and NO [3], and this compound is -N rapidly converted into amino acids [10] and later to proteins MATERIALS AND METHODS In the present study, a field ... wood (1991 and earlier), roots (< mm), roots (> mm), roots (> mm) Soil samples (n = 5) were taken at a depth of 0-5 cm and 5-20 cm within the plot All tree and soil samples were weighed and dried...

Ngày tải lên: 09/08/2014, 04:20

... (photosynthesis, transpiration and stomatal conductance) were made using a laboratory system (Taylor and Dobson, 1989) During July 1988, trees of both species were harvested and, in addition to measurements ... southern England may significantly reducarbon flux to and water loss from shoots of these important species The consece quences of this consistent decline in gas exchange are shown in TableI and Fig ... Acknowledgments We thank W.J Davies and T.A Mansfield for guidance, the D.O.E for financial support, A Willson, D.W.H Durrant and other staff at the Forestry Commission and P Hutchinson for technical...

Ngày tải lên: 09/08/2014, 04:20

... Lukas and Steele [5], and Ramanujam and Sadayappan [9]) has concentrated on automating this process In [6], Li and Chen modeled this process as the (primary) index domain alignment problem and ... equivalent and NP-complete We follow the standard definitions and notations in [2] Let G be a graph An edge weight on G is a map w from E(G) to Z + ∪ {0}, the set of nonnegative integers If H is a subgraph ... U2 , U3 Random Selection Algorithm This procedure randomly picks three vertices v1 , v2 and v3 from U1 , U2 and U3 respectively to form a triangle (3-clique) Remove this triangle and repeat...

Ngày tải lên: 16/06/2016, 01:33

... Hypergraphs, Max Hereditary Subgraph and Max Independent Sequence can be approximated within O(n/ log n) 2.2 Weighted Independent Sets and Other Hereditary Graph Properties A theorem of Erd˝ os and ... Large Graph Drawing (LGD) algorithm runs in O(n log n + m + D0 (G)) time, where n and m are the number of vertices and edges in the graph G and D0 (G) is the time to embed G in the plane If the graph ... combinatorial auctions [27, 10] and and in the formation of coalitions in multiagent systems [28] By forming the intersection graph of the given hypergraph (with a vertex for each set, and two vertices being...

Ngày tải lên: 17/06/2016, 09:45

Ngày tải lên: 21/02/2014, 16:20

... Diffusion and Use of Genomic Innovations in Health and Medicine: Workshop Summary http://www.nap.edu/catalog/12148.html Diffusion and Use of Genomic Innovations in Health and Medicine ... discovery and commercialization and between commercialization and public health In the arena of drugs and biologics, for Copyright © National Academy of Sciences All rights reserved Diffusion and ... Sciences All rights reserved Diffusion and Use of Genomic Innovations in Health and Medicine: Workshop Summary http://www.nap.edu/catalog/12148.html  DIFFUSION AND USE OF GENOMIC INNOVATIONS...

Ngày tải lên: 14/03/2014, 23:20

... chromatography and spectral analyses, and in the oxidized state show the typical spectrum of FAD-containing flavoproteins (i.e absorbance maxima at  455 and 375 nm, an e455 nm of  12 600 m)1Æcm)1, and ... regions (sites A and B) that have the highest affinity for dioxygen inside the protein and are in close prox- imity to the Si side of the flavin, and determined the most likely diffusion pathways ... wild-type and W50 variants of DAAO Table S2 Comparison of the ligand-binding properties and apparent steady-state kinetic parameters on d-alanine as substrate determined for wild–type and variants...

Ngày tải lên: 28/03/2014, 23:20

... adsorbent and the various resistances to mass transfer From Ruthven and Post [35] Fig 11 Variation of diffusional activation energy with van der Waals diameter for diffusion in 4A and 5A zeolites and ... physico-chemical and chemical techniques; the acidic and basic properties of molecular sieves; their hydrophilic or hydrophobic surface properties; theory and modelling; sorption and diffusion in ... and the Ideal Adsorbed Solution Theory are discussed With respect to sorption kinetics, the cases of self -diffusion and transport diffusion are discriminated, their relationship is analyzed and, ...

Ngày tải lên: 01/04/2014, 10:07

... solutions), physical intuition, and numerical simulations The homogenization theory for periodic velocity "elds and random velocity "elds with short-range correlations is presented and utilized to examine ... only the variables and , and that we may view Q   as operating on functions with spatial period in and temporal period in From the uniform parabolicity of T this operator and the incompressibility ... estimates and the maximum principle, it can be rigorously M shown from this development that ¹ and ¹ are bounded and lim "¹ B (x, t)!   B ¹ B (x, t)""0, with both the boundedness and convergence...

Ngày tải lên: 24/04/2014, 16:48

... 7.2 7.3 8.1 8.2 9.1 9.2 10.1 Unsteady Diffusion in an Infinite Tube Unsteady Diffusion in a Finite Tube Is Diffusion Good for Drug Delivery? Random Walks and Diffusion More Than Meets the Eye: Nonapparent ... Handbook of Microlithography, Micromachining, and Microfabrication, IET, London 55 Thompson, L.F and Kerwin, R.E (1976) Polymer resist systems for photolithography and electron lithography Annu Rev ... ingredients and its final structure/function rather counterintuitive It takes some skill – and often some serious computing power – to see how and why the various feedback loops and RD IN SCIENCE AND...

Ngày tải lên: 04/06/2014, 15:05

... father, Rolando; my wife, Teresa; our sons, Edelin, Rolando, Ruben, and Daniel; our grandchildren, Sarah, Rolando, Natalie, and Nicolas; and all our pets, very especially to Zeolita and Trosia ... Laws 121 Transport, Self -Diffusion, and Corrected Coefficients 123 5.3.1 Transport Diffusion and Self -Diffusion 123 5.3.2 Interdiffusion and the Frame of Reference for Porous ... Mean Square Displacement, the Random Walker, and Gaseous Diffusion .127 5.4.1 The Mean Square Displacement (MSD) 127 5.4.2 Gaseous Diffusion and the Random Walker 128 5.5 Transport...

Ngày tải lên: 04/06/2014, 15:13

... forward-andbackward (FAB) diffusion schemes [38,50], where the smoothing and sharpening actions are combined in the same diffusion process system, we propose a scale-based forward -and- backward diffusion ... equation; kb and w define the range of backward diffusion, and are determined by the value of the gradient that is emphasized; a controls the ratio between the forward and backward diffusion; and the ... where b1 and b2 control the steepness for the min-max transition region of forward diffusion and backward diffusion, respectively These two parameters are vital to the FAB diffusion behaviour and...

Ngày tải lên: 21/06/2014, 02:20

... FCT and POCI 2010 Project MAT/58321/2004 with participation of FEDER References S G Samko, A A Kilbas, and O I Marichev, Fractional Integrals and Derivatives: Theory and Applications, Gordon and ... Mathematics in Science and Engineering, Academic Press, San Diego, Calif, USA, 1999 23 B Rubin, Fractional Integrals and Potentials, vol 82 of Pitman Monographs and Surveys in Pure and Applied Mathematics, ... T and space inversion P 43 This analysis of the fractional wave, diffusion, and Dirac equations, fits in the general context of establish bridges between fractional calculus and the classical and...

Ngày tải lên: 21/06/2014, 05:20