02744nam 2200589 450 991079713480332120230126212946.00-8214-4521-9(CKB)3710000000417951(EBL)2058140(SSID)ssj0001498710(PQKBManifestationID)11878868(PQKBTitleCode)TC0001498710(PQKBWorkID)11506769(PQKB)11665594(MiAaPQ)EBC2058140(Au-PeEL)EBL2058140(CaPaEBR)ebr11060780(OCoLC)910513367(EXLCZ)99371000000041795120150613h20152015 uy 0engurcnu||||||||txtccrDiamonds in the rough corporate paternalism and African professionalism on the mines of colonial Angola, 1917-1975 /Todd ClevelandAthens, Ohio :Ohio University Press,2015.©20151 online resource (306 p.)New African HistoriesDescription based upon print version of record.0-8214-2134-4 Includes bibliographical references and index.Cover; New African Histories series; Title Page; Contents; Illustrations; Acknowledgments; 1 An Introduction to Angola's Diamond Past; 2 A Bountiful Place; 3 The Recruitment Process, 1921-75; 4 A Group Effort; 5 Negotiating Stability; 6 Eventful Evenings; 7 To Stay or to Leave; Epilogue; Notes; Bibliography; IndexDiamonds in the Rough explores the lives of African laborers on Angola's diamond mines from the commencement of operations in 1917 to the colony's independence from Portugal in 1975. The mines were owned and operated by the Diamond Company of Angola, or Diamang, which enjoyed exclusive mining and labor concessions granted by the colonial government. Through these monopolies, the company became the most profitable enterprise in Portugal's African empire. After a tumultuous initial period, the company's mines and mining encampments experienced a remarkable degree of stability, in striking contrNew African histories series.Diamond industry and tradeAngolaDiamond mines and miningAngolaDiamond minersAngolaSocial conditionsDiamond industry and tradeDiamond mines and miningDiamond minersSocial conditions.338.2/78209673Cleveland Todd1581625MiAaPQMiAaPQMiAaPQBOOK9910797134803321Diamonds in the rough3863282UNINA02983nam0 22006853i 450 VAN026539720240104021503.891978-16-11-97640-320231026d2021 |0itac50 baengUS|||| |||||Nonnegative matrix factorizationNicolas GillisPhiladelphiaSIAM2021xix, 350 p.ill.26 cm001VAN02583482001 Data science book series210 PhiladelphiaSIAM268-XXComputer science [MSC 2020]VANC019670MF15B48Positive matrices and their generalizations; cones of matrices [MSC 2020]VANC019936MF15-XXLinear and multilinear algebra; matrix theory [MSC 2020]VANC020607MF68T10Pattern recognition, speech recognition [MSC 2020]VANC020788MF15A23Factorization of matrices [MSC 2020]VANC023159MF68T09Computational aspects of data analysis and big data [MSC 2020]VANC035916MF65F55Numerical methods for low-rank matrix approximation; matrix compression [MSC 2020]VANC037610MFComputational complexityKW:KDictionary learningKW:KGene expression analysisKW:KHyperspectral ImagingKW:KMatrix FactorizationKW:KNon-linear optimizationKW:KNonnegative matrix factorizationKW:KPrincipal component analysisKW:KRecommender systemsKW:KSingular value decompositionKW:KSparsityKW:Kaudio source separationKW:Kbeta-divergencesKW:Kblind source separationKW:Kblock coordinate descent methodsKW:Kcommunication complexityKW:Kextended formulationsKW:Kfeature extractionKW:KidentifiabilityKW:Klinear dimensionality reductionKW:Klow-rank matrix approximationsKW:Kmultiplicative updatesKW:Knested polytope problemKW:Knonnegative rankKW:Kself-modeling curve resolutionKW:KseparabilityKW:Ktopic modelingKW:KPhiladelphiaVANL000037GillisNicolasVANV2187461430938SIAM <editore>VANV108794650ITSOL20240531RICA/sebina/repository/catalogazione/documenti/GILLIS.pdfGILLIS.pdfBIBLIOTECA DEL DIPARTIMENTO DI MATEMATICA E FISICAIT-CE0120VAN08VAN0265397BIBLIOTECA DEL DIPARTIMENTO DI MATEMATICA E FISICA08PREST 68-XX 1598 08DMF826 I 20231026 Nonnegative matrix factorization3571190UNICAMPANIA