136,135 research outputs found

    Letter from J. R. Eakin to Arthur G. Ringland

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    Letter (copy) from J. R. Eakin to Arthur C. Ringland about the alignment of 40 acres near the Buggeln ranch

    Letter from Arno B. Cammerer to J. R. Eakin

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    Letter from Arno B. Cammerer to J. R. Eakin describing the procedure for purchasing Bright Angel Trail

    Letter from J. R. Eakin to Carl Hayden

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    Letter from J. R. Eakin to Carl T. Hayden concerning access to Rowe Well and the canyon

    Letter from J. R. Eakin to Stephen Mather

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    Letter from J. R. Eakin to Stephen T. Mather about expenses and reconstruction of the Kaibab Trail

    Letter from Carl Hayden to J. R. Eakin

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    Letter from Carl T. Hayden to J. R. Eakin regarding changes to the Grand Canyon National Park boundaries and the purchase of lands from William Randolph Hearst

    Letter from J. R. Eakin to Stephen Mather

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    Letter from J. R. Eaking to the National Park Service director about changes to the Grand Canyon National Park boundaries, and access to water near the Buggeln property on Desert View road

    [Letter from J. R. Roberts to Sister, November 24, 1878]

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    Letter from J. R. Roberts to sister. J. R. thanked his sister for gifts that were sent and went on to update her on what was happening in their families' lives. The letter ended with a mention that people were searching for land claims in the area and the author wanted their mother to not worry about them

    Letter from J. R. Eakin, Grand Canyon National Park to Carl Hayden

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    Letter from J. R. Eakin to Carl Hayden regarding the sale of Bass properties to the Santa Fe Railroad Company

    Letter from J. R. Eakin, Grand Canyon National Park to Carl Hayden

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    Letter from J. R. Eakin to Carl Hayden justifying the value of his land at twenty-five thousand dollars

    A fuzzy approach for sequencing interrelated activities in a DSM

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    Production and manufacturing systems often involve a myriad of interrelated activities. How these activities are organised and scheduled has a significant effect on the success of a system. Recently, the Design Structure Matrix (DSM) has been regarded as an effective tool for modelling and scheduling interrelated activities. Based on fuzzy set theory, this study explicitly addresses the uncertain activity dependencies in our formulation and develops a mathematical model for sequencing interrelated activities in a DSM. Because of the complexity of the model, a new approach, which embeds an exact algorithm within a framework of a local search heuristic, is presented for solving large problem instances. Testing results demonstrate that relatively good solutions can be easily obtained by our approach, thereby providing managers with an effective tool for scheduling a large number of interrelated activities with uncertain dependencies. © 2012 Copyright Taylor and Francis Group, LLC.Abdelsalam HME, 2006, IEEE T ENG MANAGE, V53, P69, DOI 10.1109-TEM.2005.861805; Ahmadi R, 2001, EUR J OPER RES, V130, P539, DOI 10.1016-S0377-2217(99)00412-9; Banerjee A, 2007, IIE TRANS, V39, P453, DOI 10.1080-07408170601180510; Browning TR, 2001, IEEE T ENG MANAGE, V48, P292, DOI 10.1109-17.946528; Chen CH, 2004, INT J PROD RES, V42, P4623, DOI 10.1080-00207540410001721727; Chen SJ, 2003, COMPUT IND ENG, V44, P435, DOI 10.1016-S0360-8352(02)00230-9; Debels D, 2007, OPER RES, V55, P457, DOI 10.1287-opre.1060.0358; Dubois D., 2000, FUNDAMENTALS FUZZY S; Dubois D, 2003, EUR J OPER RES, V147, P231, DOI 10.1016-S0377-2217(02)00558-1; EPPINGER SD, 1994, RES ENG DES, V6, P1, DOI 10.1007-BF01588087; Eppinger SD, 2001, HARVARD BUS REV, V79, P149; Fortemps P, 1996, FUZZY SET SYST, V82, P319, DOI 10.1016-0165-0114(95)00273-1; Guschinskaya O, 2008, EUR J OPER RES, V189, P902, DOI 10.1016-j.ejor.2006.03.072; Karniel A, 2009, IEEE T ENG MANAGE, V56, P636, DOI 10.1109-TEM.2009.2032032; Karniel A, 2005, COMPUT AIDED DESIGN, V37, P399, DOI 10.1016-j.cad.2004.06.015; KUSIAK A, 1993, INT J PROD RES, V31, P753, DOI 10.1080-00207549308956755; Lancaster J, 2008, INT J PROD RES, V46, P5043, DOI 10.1080-00207540701324176; Li D., 2006, NONLINEAR INTEGER PR; Lin J, 2009, EUR J OPER RES, V196, P1158, DOI 10.1016-j.ejor.2008.05.030; Lin J, 2010, EUR J OPER RES, V201, P737, DOI 10.1016-j.ejor.2009.03.040; Lin J, 2008, EUR J OPER RES, V185, P378, DOI 10.1016-j.ejor.2006.12.022; Luh DB, 2009, CONCURRENT ENG-RES A, V17, P43, DOI 10.1177-1063293X09102249; McCulley C, 1996, STRUCT OPTIMIZATION, V12, P186, DOI 10.1007-BF01196956; Meier C, 2007, J MECH DESIGN, V129, P566, DOI 10.1115-1.2717224; Palpant M, 2004, ANN OPER RES, V131, P237, DOI 10.1023-B:ANOR.0000039521.26237.62; Qian YJ, 2011, IEEE T ENG MANAGE, V58, P688, DOI 10.1109-TEM.2011.2107558; Rowles C. M., 1999, THESIS MIT; Shaja AS, 2010, RES ENG DES, V21, P173, DOI 10.1007-s00163-009-0082-5; Smith RP, 1997, MANAGE SCI, V43, P1104, DOI 10.1287-mnsc.43.8.1104; Smith RP, 1998, CONCURRENT ENG-RES A, V6, P15, DOI 10.1177-1063293X9800600103; Steward D. V., 1981, IEEE T ENG MANAGE, V49, P428; Tang DB, 2010, ADV ENG INFORM, V24, P159, DOI 10.1016-j.aei.2009.08.005; Tang DB, 2000, COMPUT IND ENG, V38, P479, DOI 10.1016-S0360-8352(00)00059-0; Tang DB, 2009, CONCURRENT ENG-RES A, V17, P129, DOI 10.1177-1063293X09105348; YAGER RR, 1981, INFORM SCIENCES, V24, P143, DOI 10.1016-0020-0255(81)90017-7; Yassine A, 2003, CONCURRENT ENG-RES A, V11, P165, DOI 10.1177-106329303034503; Zimmermann H.-J., 1996, FUZZY SET THEORY ITS32
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