INDEX
583
Tsourakakis, C.E., 427
Tube, 182
Tuple, 33
Tuzhilin, A., 352
Twitter, 18, 313, 356
Tzoumas, K., 78
Ullman, J.D., 20, 77–79, 250, 292, 426
Undirected graph, see Graph
Union, 34, 36, 40, 85
Unit vector, 430, 435
Universal set, 131
Unsupervised learning, 463
Upper hyperplane, 487
User, 320, 336, 337
User proﬁle, 328
Utility matrix, 320, 323, 340, 429
UV-decomposition, 340, 350, 429, 496
VA ﬁle, 503
Valduriez, P., 427
Validation set, 468, 567
Van Loan, C.F., 460
Vanishing gradient, 561
Vapnik, V.N., 521
Variable, 158
Vassilvitskii, S., 427
Vazirani, U., 318
Vazirani, V., 318
Vector, 31, 105, 109, 179, 189, 204,
205, 254
Vernica, R., 78
VGGnet, 553
Vigna, S., 426
Vitter, J., 174
Volume, 397
Volume (of a set of nodes), 375
von Ahn, L., 327, 353
von Luxburg, U., 427
Voronoi diagram, 498
Waibel, A., 570
Wall, M.E., 461
Wall-clock time, 55
Wallach, D.A., 78
Wang, J., 350
Wang, W., 142
Warneke, D., 78
Weak edge, 358
Weaver, D., 78
Web structure, 181
Weight, 471, 526
Weiner, J., 20, 212
Whizbang Labs, 3
Widom, J., 20, 79, 174, 292, 426
Wikipedia, 358, 470
Williams, R.J., 570
Window, see Sliding window, see De-
caying window
Windows, 13
Winnow Algorithm, 475
Word, 217, 254, 325
Word count, 25, 44
Worker process, 28
Workﬂow, 42, 49, 54
Working store, 144
Xiao, C., 142
Xie, Y., 461
Yahoo, 303, 326
Yang, J., 427
Yerneni, R., 78
York, J., 353
Yu, J.X., 142
Yu, P.S., 250
Yu, Y., 79
Zaharia, M., 79
Zero padding, 551, 559
Zhang, C.H., 142
Zhang, H., 461
Zhang, T., 292
Zipf’s law, 15, see Power law
Zoeter, O., 317
Zussman, A., 554
