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linear programming 6,063 02 engineering and technology 4,955 0202 electrical engineering, electronic engineering, information engineering 3,197 0211 other engineering and technologies 2,265 optimization 1,320 7. clean energy 1,181 more ... 01 natural sciences 1,131 integer programming 1,006 mathematical programming 957 algorithms 857 0209 industrial biotechnology 776 mathematics 708 exact sciences and technology 704 sciences exactes et technologie 704 mathematical optimization 674 0101 mathematics 648 applied sciences 593 sciences appliquees 593 mixed integer linear programming 560 lineare programmierung 539 linear programming problem 531 05 social sciences 529 nonlinear programming 527 programmation lineaire 502 programacion lineal 462 0502 economics and business 427 problem solving 387 operations research 378 11. sustainability 345 mathematical models 337 less ...

ieee 2,269 elsevier b.v. 1,562 springer nature 1,257 elsevier bv 1,256 wti-frankfurt-digital gmbh 880 elsevier ltd 694 more ... springer science and business media llc 680 wiley-blackwell 653 institute of electrical and electronics engineers (ieee) 651 elsevier 594 wiley 546 ccsd 475 taylor & francis ltd 394 informs: institute for operations research & the management sciences 323 mdpi ag 319 springer berlin heidelberg 298 hal ccsd 290 mdpi 235 croatian operational research society 215 springer us 205 springer 204 springer international publishing 166 springer-verlag 155 institute of electrical and electronics engineers 152 sage publications 144 iop publishing 116 edp sciences 85 elsevier science 66 escholarship, university of california 57 oxford university press 56 less ...

english 21,651 undetermined 3,873 unknown 1,704 russian 289 chinese 129 ukrainian 111 more ... french 104 portuguese 77 turkish 70 spanish; castilian 49 german 39 japanese 38 persian 31 indonesian 30 croatian 26 czech 24 polish 14 spanish 12 italian 11 arabic 9 greek, modern (1453-) 9 lithuanian 9 ndonga 8 swedish 7 greek 6 serbian 6 korean 5 latvian 5 vietnamese 4 romanian; moldavian; moldovan 3 less ...

united states 45 china 35 spain 24 japan 16 italy 15 europe 11 more ... iran 6 tanzania 5 maryland 2 montgomery county (md.) 2 less ...

OpenAIRE 8,228 BASE 6,769 Complementary Index 2,595 Academic Search Index 1,822 OAIster 1,644 ScienceDirect 1,555 more ... Business Source Premier 1,263 wiso 973 RePEc 906 Springer Nature Journals 827 PASCAL Archive 722 Directory of Open Access Journals 576 arXiv 437 Science Citation Index Expanded 360 GBV Online Contents 286 HAL 237 JSTOR Journals 199 EconLit 177 Supplemental Index 164 MEDLINE 140 dblp computer science bibliography 138 OpenDissertations 85 GreenFILE 73 RCAAP 42 ECONIS 38 SciTech Connect 29 APA PsycInfo 28 Oxford Reference 23 Emerald Insight 21 Education Research Complete 21 less ...