作者: 虛情假意 時(shí)間: 2025-3-21 21:09
P. D. Coleridge Smith,J. H. Scurrn any given set of points is proved. An .(. log .)-time algorithm for computing an upward point-set embedding with at most one bend per edge on any given set of points for planar series-parallel digraphs is presented.作者: 摘要記錄 時(shí)間: 2025-3-22 03:45
https://doi.org/10.1007/978-1-4613-4334-9 with few bends in the Kandinsky model it also preserves the general appearance of the sketch. Potential applications for this kind of drawing algorithm include the generation of schematic maps from geographic networks and interactive orthogonal graph drawing.作者: TAIN 時(shí)間: 2025-3-22 08:23
Teresa Padró,Gemma Vilahur,Lina Badimonramework suitable for user interaction. The original approach displays each biconnected component in a circular way, and the blocktree of the graph as a tree drawn radially [.]. We introduce the concept of hicircular drawings, a hierarchical extension of the mentioned framework replacing the circles作者: Clumsy 時(shí)間: 2025-3-22 11:16 作者: craven 時(shí)間: 2025-3-22 14:57 作者: craven 時(shí)間: 2025-3-22 17:25
https://doi.org/10.1007/978-1-349-20800-5 with either a vertex or an edge. Several optimization goals are taken into account. Namely, the labeled drawing can be required to have minimum total edge length, minimum width, minimum height, or minimum area. We present ILP models to compute optimal drawings with respect to the first three object作者: Conflict 時(shí)間: 2025-3-22 21:30
BASIC Programming on a Microcomputer,e subgraph, its copy and a remainder. The problem resembles the NP-hard largest common subgraph problem. In [.],[.] it has been shown that the isomorphic subgraph problem is NP-hard, even for restricted instances. In this paper we present a greedy heuristic for the approximation of large isomorphic 作者: freight 時(shí)間: 2025-3-23 03:06 作者: 自制 時(shí)間: 2025-3-23 08:10
https://doi.org/10.1007/978-1-349-13808-1rovide an Integer Linear Programming formulation of a generalization of the standard problem and discuss how a branch-and-bound algorithm could be improved upon with cutting planes. We then describe a separation algorithm for two classes of valid inequalities that we have identified - one of which i作者: Friction 時(shí)間: 2025-3-23 11:34 作者: 含水層 時(shí)間: 2025-3-23 16:41 作者: right-atrium 時(shí)間: 2025-3-23 19:34
Parallel Standard Interface Systems, common approach for computing a 2D orthogonal drawing ofa graph separates the task of defining the shape ofthe drawing from the task of computing its coordinates. First results towards finding a three-dimensional counterpart ofthis approach are presented in [.],[.], where characterizations oforthog作者: 輕快帶來危險(xiǎn) 時(shí)間: 2025-3-24 00:04
P. D. Coleridge Smith,J. H. Scurrithm of Alzohairi and Rival [.] runs in .(..) time and assumes that the input series-parallel digraph does not have transitive edges. One consequence of our result is that series-parallel (undirected) graphs are necessarily sub-hamiltonian. This extends a previous result by Chung, Leighton, and Rose作者: 憤慨點(diǎn)吧 時(shí)間: 2025-3-24 02:52 作者: OPINE 時(shí)間: 2025-3-24 07:54
Come fotografare i microcristalli,xes. The algorithm results in a clear description of the hierarchy structure of the graph. Nodes are not restricted to lie on .xed horizontal layers, resulting in layouts that convey the symmetries of the graph very naturally. The algorithm can be applied without change to cyclic or acyclic digraphs作者: FLIT 時(shí)間: 2025-3-24 13:59
Sketch-Driven Orthogonal Graph Drawing with few bends in the Kandinsky model it also preserves the general appearance of the sketch. Potential applications for this kind of drawing algorithm include the generation of schematic maps from geographic networks and interactive orthogonal graph drawing.作者: Opponent 時(shí)間: 2025-3-24 16:09
Maintaining the Mental Map for Circular Drawingsramework suitable for user interaction. The original approach displays each biconnected component in a circular way, and the blocktree of the graph as a tree drawn radially [.]. We introduce the concept of hicircular drawings, a hierarchical extension of the mentioned framework replacing the circles作者: Canary 時(shí)間: 2025-3-24 22:10
Graphs, They Are Changing and adjustment strategies. It differs from previous work on dynamic graph drawing in that it considers all graphs in the sequence (offline) instead of just the previous ones (online) when computing the layout for each graph of the sequence. We introduce several general adjustment strategies and giv作者: 繁榮中國 時(shí)間: 2025-3-25 03:04 作者: monologue 時(shí)間: 2025-3-25 06:39 作者: LATER 時(shí)間: 2025-3-25 07:43
Computing and Drawing Isomorphic Subgraphse subgraph, its copy and a remainder. The problem resembles the NP-hard largest common subgraph problem. In [.],[.] it has been shown that the isomorphic subgraph problem is NP-hard, even for restricted instances. In this paper we present a greedy heuristic for the approximation of large isomorphic 作者: 減震 時(shí)間: 2025-3-25 14:13 作者: 節(jié)約 時(shí)間: 2025-3-25 18:35 作者: 沒有希望 時(shí)間: 2025-3-25 20:11 作者: 確認(rèn) 時(shí)間: 2025-3-26 01:29 作者: 遺棄 時(shí)間: 2025-3-26 08:19 作者: 改變立場(chǎng) 時(shí)間: 2025-3-26 11:42 作者: LURE 時(shí)間: 2025-3-26 14:53 作者: 使尷尬 時(shí)間: 2025-3-26 16:50 作者: Isthmus 時(shí)間: 2025-3-27 00:37
Other Slave Devices in STE Systems,gorithm, where .. is the smaller cardinality node set in the bipartition of the node set . of the graph. We present the algorithms and the results of computational experiments with these and other algorithms on a large collection of instances.作者: watertight, 時(shí)間: 2025-3-27 02:19
Simple and Efficient Bilayer Cross Countinggorithm, where .. is the smaller cardinality node set in the bipartition of the node set . of the graph. We present the algorithms and the results of computational experiments with these and other algorithms on a large collection of instances.作者: 使服水土 時(shí)間: 2025-3-27 07:14
Teresa Padró,Gemma Vilahur,Lina Badimon of single vertices bycircles of circular or star-like structures. This concept is inspired bythe works of Brandenburg on graph clustering, and the recursive concepts of series-parallel graphs, PQ- resp. SPQR-trees.作者: 假設(shè) 時(shí)間: 2025-3-27 11:02 作者: inscribe 時(shí)間: 2025-3-27 15:08 作者: 人類 時(shí)間: 2025-3-27 19:49
Parallel Standard Interface Systems,onal representations ofpaths and cycles are studied. In this note we show that the known characterization for cycles does not immediately extend to even seemingly simple graphs such as theta graphs. A sufficient condition for recognizing three-dimensional orthogonal representations oftheta graphs is also presented.作者: 豎琴 時(shí)間: 2025-3-28 00:47
Maintaining the Mental Map for Circular Drawings of single vertices bycircles of circular or star-like structures. This concept is inspired bythe works of Brandenburg on graph clustering, and the recursive concepts of series-parallel graphs, PQ- resp. SPQR-trees.作者: 光滑 時(shí)間: 2025-3-28 05:06
Computing and Drawing Isomorphic Subgraphssubgraphs and introduce a spring algorithm which preserves isomorphic subgraphs and displays them as copies of each other. The heuristic has been tested extensively on four independent test suites. The drawing algorithm yields nice drawings which cannot be obtained by standard spring algorithms.作者: 磨碎 時(shí)間: 2025-3-28 10:02
Geometric Systems of Disjoint Representativescharacterize the computational complexity of this geometric problem for the cases of .. and .. metrics and dimensions . = 1, 2. We show that for . = 1 the problem can be solved in polynomial time, while for . = 2 we prove that it is .-hard. Our .-hardness proof can be adjusted also for higher dimensions.作者: Extort 時(shí)間: 2025-3-28 10:30 作者: LVAD360 時(shí)間: 2025-3-28 17:29 作者: Detain 時(shí)間: 2025-3-28 19:04 作者: 漸變 時(shí)間: 2025-3-29 01:07
Computing Labeled Orthogonal Drawings edge length, minimum width, minimum height, or minimum area. We present ILP models to compute optimal drawings with respect to the first three objectives and an algorithm exploiting these models which computes a drawing of minimum area (the compaction problem is known to be NP-complete in general).作者: Paleontology 時(shí)間: 2025-3-29 06:35 作者: 異端邪說2 時(shí)間: 2025-3-29 10:13
Fractional Lengths and Crossing Numbersossings is one of the most important aesthetic measures for nice drawings of graphs [.]. The aim of this note is to demonstrate on two standard graph drawing models that in provably good drawings, with respect to the crossing number measure, the fractional length criterion is closely related to the crossing number criterion.作者: 開頭 時(shí)間: 2025-3-29 12:45
Drawing Directed Graphs Using One-Dimensional Optimizationresulting in layouts that convey the symmetries of the graph very naturally. The algorithm can be applied without change to cyclic or acyclic digraphs, and even to graphs containing both directed and undirected edges. We also derive a hierarchy index from the input digraph, which quantitatively measures its amount of hierarchy.作者: 占卜者 時(shí)間: 2025-3-29 16:36 作者: jabber 時(shí)間: 2025-3-29 20:25 作者: NUDGE 時(shí)間: 2025-3-30 02:27 作者: compassion 時(shí)間: 2025-3-30 06:27 作者: landfill 時(shí)間: 2025-3-30 08:12
Maintenance of the Microcosm N-System,ossings is one of the most important aesthetic measures for nice drawings of graphs [.]. The aim of this note is to demonstrate on two standard graph drawing models that in provably good drawings, with respect to the crossing number measure, the fractional length criterion is closely related to the crossing number criterion.作者: ostracize 時(shí)間: 2025-3-30 16:04
Come fotografare i microcristalli,resulting in layouts that convey the symmetries of the graph very naturally. The algorithm can be applied without change to cyclic or acyclic digraphs, and even to graphs containing both directed and undirected edges. We also derive a hierarchy index from the input digraph, which quantitatively measures its amount of hierarchy.作者: Instrumental 時(shí)間: 2025-3-30 20:27
https://doi.org/10.1007/978-1-4613-4334-9 with few bends in the Kandinsky model it also preserves the general appearance of the sketch. Potential applications for this kind of drawing algorithm include the generation of schematic maps from geographic networks and interactive orthogonal graph drawing.作者: BLAND 時(shí)間: 2025-3-30 23:22
https://doi.org/10.1007/978-1-349-13808-1rovide an Integer Linear Programming formulation of a generalization of the standard problem and discuss how a branch-and-bound algorithm could be improved upon with cutting planes. We then describe a separation algorithm for two classes of valid inequalities that we have identified - one of which is facet-defining - and discuss their efficacy.作者: 價(jià)值在貶值 時(shí)間: 2025-3-31 01:52
Sketch-Driven Orthogonal Graph Drawing with few bends in the Kandinsky model it also preserves the general appearance of the sketch. Potential applications for this kind of drawing algorithm include the generation of schematic maps from geographic networks and interactive orthogonal graph drawing.作者: anthropologist 時(shí)間: 2025-3-31 05:10
A Branch-and-Cut Approach to the Directed Acyclic Graph Layering Problemrovide an Integer Linear Programming formulation of a generalization of the standard problem and discuss how a branch-and-bound algorithm could be improved upon with cutting planes. We then describe a separation algorithm for two classes of valid inequalities that we have identified - one of which is facet-defining - and discuss their efficacy.作者: 率直 時(shí)間: 2025-3-31 11:45
https://doi.org/10.1007/978-4-431-54508-8We give a linear-time algorithm to decide whether a graph has a planar LL-drawing, i.e. a planar drawing on two parallel lines. This has previously been known only for trees. We utilize this result to obtain planar drawings on three lines for a generalization of bipartite graphs, also in linear time.作者: hypnotic 時(shí)間: 2025-3-31 17:13 作者: IRK 時(shí)間: 2025-3-31 17:42 作者: 人類學(xué)家 時(shí)間: 2025-4-1 01:31
The Elements of Analog Signal Handling,We show that graph-theoretic thickness and geometric thickness are not asymptotically equivalent: for every ., there exists a graph with thickness three and geometric thickness ≥ ..作者: 經(jīng)典 時(shí)間: 2025-4-1 03:49
https://doi.org/10.1007/978-1-4612-0555-5We present time-efficient algorithms for encoding (and decoding) planar orthogonal drawings of degree-4 and degree-3 biconnected and triconnected planar graphs using small number of bits. We also present time-efficient algorithms for encoding (and decoding) turn-monotone planar orthogonal drawing.作者: GEM 時(shí)間: 2025-4-1 06:07 作者: 橫截,橫斷 時(shí)間: 2025-4-1 12:07
Drawing Outer-Planar Graphs in ,(, log , )AreaIn this paper,we study drawings of outer-planar graphs in various models.We showthat . (. log . )area can be achieved for such drawings if edges are allowed to have bends or if vertices may be represented by boxes.The question of straight-line grid-drawings of outer- planar graphs in o (.. )area remains open.作者: 要求比…更好 時(shí)間: 2025-4-1 15:37
An Efficient Fixed Parameter Tractable Algorithm for 1-Sided Crossing MinimizationWe give an .(?. · ..) algorithm for the 1-. problem, thus showing that the problem is Fixed Parameter Tractable. The constant ? in the running time is the golden ratio .. The constant . is the parameter of the problem: the number of alloweded ge crossings.作者: Mortar 時(shí)間: 2025-4-1 22:21
Separating Thickness from Geometric ThicknessWe show that graph-theoretic thickness and geometric thickness are not asymptotically equivalent: for every ., there exists a graph with thickness three and geometric thickness ≥ ..作者: Seminar 時(shí)間: 2025-4-1 23:10
