ranking text units according to textual saliency

Ngày tải lên: 23/03/2014, 19:20

Ngày tải lên: 04/10/2012, 10:02

... then they are com- pared to each other. Logistic regression was used to control for confounding factors. Results: In the anterior group, regardless of confounding factors, the incidence of exces- sive ... prior to deliv- ery. In addition to the location in the anterior portion or posterior portion of uterus, they were classified by sonographers blinded to the outcomes when so- nographic exam according ... bleeding and peripartum hysterectomy, even if placenta previa does not exist [3,6,9]. Therefore Faiz et al. claimed that age, parity, history of cesarean section and history of abortion should be...

Ngày tải lên: 25/10/2012, 10:56

... Medical Center, Nagoya University from July 2004 to October 2005. The participants aged 20 to 69 years were classified into three group according to CYP2C19 genotype; rapid metabolizers (RM) with ... Helicobacter pylori according to genotypes of CYP2C19, IL-1B, and TNF-A Yoshiko Ishida, Yasuyuki Goto, Takaaki Kondo, Mio Kurata, Kazuko Nishio, Sayo Kawai, Tomo Osafune, Mariko Naito, Nobuyuki Hamajima ... Center, Nagoya University, Nagoya, Japan to seek H. pylori tests and eradication between July 2004 and October 2005. The visitors aged 20 to 69 years were asked to participate in the polymorphism...

Ngày tải lên: 31/10/2012, 16:57

... didn’t carry over to the E.T. video game for Atari 2600. According to one Web site, “E.T. is notorious for being what many believe to be the worst game ever.” As the rumor goes, to get rid of all ... drinks to paper towels to chocolate bars to hair dryers, the list of fallen products is like a roll call of the dearly departed. In the U.K., there was a similar version of the Segway story. ... seemed, actually wanted to own one. It had been predicted to be one of the most successful, revolutionary products in history, but any way you look at it, the Segway turned out to be a disappointment....

Ngày tải lên: 17/10/2013, 18:20

Ngày tải lên: 05/11/2013, 17:15

Ngày tải lên: 10/12/2013, 19:15

... vertex j to k, let them first diverge at vertex j  and then converge at vertex k  . Then, that section of P from j  to k  and that section of Q from j  to k  form a circuit. This leads to a contradiction ... said to be a simple graph. In this text, we shall use the term graph to imply a simple graph unless it is otherwise stated. 2.1.6 Directed Graph and Rooted Graph When a direction is assigned to ... Kuratowski, K., 1930, Sur le Problème des Courbes Gauches en Topologie, Fundamental Mathematics, 15, 271–283. [4] Sohn, W. and Freudenstein, F., 1986, An Application of Dual Graphs to the Au- tomatic...

Ngày tải lên: 17/12/2013, 13:15

... kinematic chain are numbered sequentially from 1 to n. Since in the graph, representation vertices correspond to links and edges correspond to joints, the link -to- link adjacency matrix, A, is defined as ... vertices shown in Figure 3.9 are numbered from 1 to 4 representing links 1 to 4, respectively, and the edges are labeled as R, R, S, and C according to the pair connections between links. Similarly, ... diagonal elements. The matrix determines the structural topology of a kinematic chain up to structural isomorphism. For example, the link -to- link adjacency matrix of the spur-gear set shown in...

Ngày tải lên: 17/12/2013, 13:15

... labeled graph may map into itself. The set of those permutations which map the graph into itself form a group called a group of automorphisms. This group of automorphisms is said to be a vertex-induced group ... developed for enumeration of mechanisms according to certain prescribed structural characteristics. 4.2 Correspondence Between Mechanisms and Graphs Since the topological structure of a kinematic ... the graph into itself an edge-induced group of automorphisms. Example 4.13 Stephenson Chain Consider the Stephenson chain shown in Figure 4.8a, where the six links are labeled from 1 to 6. The...

Ngày tải lên: 17/12/2013, 13:15

... figure mounted on top of the chariot always pointed to the south as the chariot was towed from one place to another. It is believed that the ancient Chinese used this device to help them navigate ... trains are used to transmit motion and/or power from one rotating shaft to another. An enormous number of gear trains are used in machinery such as automobile transmissions, machine tool gear boxes, ... labeled according to their axis locations is shown in Figure 7.3b. Readers can easily verify that Equations (7.3) through (7.5) are satisfied. Removing all the geared edges from the graph leads to...

Ngày tải lên: 17/12/2013, 13:15

... stator blades. The purpose of the stator blades is to redirect the fluid flow from the turbine to the impeller, providing a torque multiplication to the transmission. The torque amplification factor ... housing. The torque converter has three purposes. First of all, it serves as a fluid coupling to provide a smooth transmission of torque from the engine to the wheels. It also allows a vehicle to stop ... the connecting rod (attached to the piston), and link 6 is the piston. We observe that the piston and the crankshaft of the second mechanism shown in Figure 8.1 belong to a four-bar loop. A change...

Ngày tải lên: 26/12/2013, 00:16

... manipulator. FIGURE 9.4 Planar RR–RRR manipulator. Planar Three-dof Manipulators For planar three-dof parallel manipulators, Equation (9.1) yields m = 3 and L = 2. Substituting λ = 3 and F = 3 into ... manipulator, it should be compact, light weight, and dextrous. To achieve these goals, gear trains, belts-and-pulley drives, and other mechanical transmissions are often used to permit actuators to ... spherical manipulator is the five-bar RR–RRR manipulator. Similarly, the only feasible three- dof spherical manipulator is the 3-RRR manipulator as shown in Figure 6.14. Several articles related to kinematic...

Ngày tải lên: 26/12/2013, 00:16

... variables subject to a constraint that all the variables are nonnegative integers. We first discuss a method for solving one equation in n unknowns. Then, we extend the method to solving a system ... coefficients. The c i s are nonnegative integers and k is a positive integer. We wish to solve for x i , for i = 1, 2, ,n subject to a constraint that all x i s must be nonnegative integers. In addition, ... nonnegative integers. This can be accomplished by a com- puter program using a nested-do loops algorithm to vary the value of each x i and check for the validity of the solutions. A more rigorous procedure...

Ngày tải lên: 26/12/2013, 00:16

Ngày tải lên: 26/12/2013, 00:16

... Independent Loops: Four to Eight Vertices. © 2001 by CRC Press LLC Appendix C Atlas of Graphs of Kinematic Chains This appendix provides an atlas of graphs of kinematic chains having up to three independent ... to three independent loops and eight links. Table C.1 Graphs Having One Independent Loop: Three to Eight Vertices. © 2001 by CRC Press LLC Table C.4 Graphs Having Three Independent Loops: Seven...

Ngày tải lên: 26/12/2013, 00:16

Ngày tải lên: 26/12/2013, 00:16

Ngày tải lên: 26/12/2013, 00:16

Ngày tải lên: 26/12/2013, 00:16

Ngày tải lên: 26/12/2013, 00:16