1 Data Integrative Studies in Hydroinformatics ........................... 1 Praveen Kumar I Data Driven Investigations in Hydrology .................................. 7 2 Unified Modeling Language .............................................. 9 Benjamin L. Ruddell and Praveen Kumar 3 Digital Library Technology for Hydrology .............................. 21 John J. Helly 4 Hydrologic Metadata ................................................... 39 Michael Piasecki 5 Hydrologic Data Models ................................................ 61 Benjamin L. Ruddell and Praveen Kumar 6 The Modelshed Geodata Model ........................................... 81 Benjamin L. Ruddell and Praveen Kumar II Managing and Accessing Large Datasets .................................. 101 7 Data Models for Storage and Retrieval ................................ 103 Michael J. Folk 8 Data Formats ......................................................... 117 Michael J. Folk 9 HDF5 ................................................................. 135 Michael J. Folk III Data Communication ..................................................... 161 10 Web Services ........................................................ 163 Jay C. Alameda 11 Extensible Markup Language .......................................... 177 Jay C. Alameda 12 Grid Computing ...................................................... 217 Jay C. Alameda 13 Integrated Data Management System ................................... 227 Seongeun Jeong, Yao Liang, and Xu Liang IV Data Processing and Analysis ........................................... 257 14 Introduction to Data Processing ..................................... 259 Peter Bajcsy 15 Understanding Data Sources .......................................... 265 Peter Bajcsy 16 Data Representation ................................................. 281 Peter Bajcsy 17 Spatial Registration ................................................ 293 Peter Bajcsy 18 Georeferencing ...................................................... 303 Peter Bajcsy 19 Data Integration .................................................... 319 Peter Bajcsy 20 Feature Extraction .................................................. 343 Peter Bajcsy 21 Feature Selection and Analysis ...................................... 355 Peter Bajcsy V Soft Computing ......................................................... 379 22 Statistical Data Mining ............................................. 381 Amanda B. White and Praveen Kumar 23 Artificial Neural Networks .......................................... 409 Momcilo Markus 24 Genetic Algorithms .................................................. 437 Barbara Minsker 25 Fuzzy Logic ......................................................... 455 Lydia Vamvakeridou-Lyroudia and Dragan Savic VI Appendices ............................................................. 477 Appendix 1: A Tutorial for Geodatabase and Modelshed Tools Operation ... 479 Appendix 2: XSL Transformation File Example ............................ 495 Appendix 3: The UTM Northern Hemisphere Projection ..................... 511 Appendix 4: Molodensky Equations ....................................... 515 Appendix 5: Section IV Review Questions ................................ 519 Appendix 6: Section IV Project Assignment .............................. 521 Index ...................................................................... 529