Database Systems for Advanced Applications: 20th International Conference, DASFAA 2015, Hanoi, Vietnam, April 20-23, 2015, Proceedings, Part II

Front Matter....Pages I-XXVIII
Front Matter....Pages 1-1
A Synthetic Minority Oversampling Method Based on Local Densities in Low-Dimensional Space for Imbalanced Learning....Pages 3-18
Fast and Scalable Outlier Detection with Approximate Nearest Neighbor Ensembles....Pages 19-36
Rare Category Exploration on Linear Time Complexity....Pages 37-54
Front Matter....Pages 55-55
FP-CPNNQ: A Filter-Based Protocol for Continuous Probabilistic Nearest Neighbor Query....Pages 57-73
Efficient Queries Evaluation on Block Independent Disjoint Probabilistic Databases....Pages 74-88
Parallel Top- k Query Processing on Uncertain Strings Using MapReduce....Pages 89-103
Tracing Errors in Probabilistic Databases Based on the Bayesian Network....Pages 104-119
Front Matter....Pages 121-121
Mining Frequent Spatial-Textual Sequence Patterns....Pages 123-138
Effective and Interpretable Document Classification Using Distinctly Labeled Dirichlet Process Mixture Models of von Mises-Fisher Distributions....Pages 139-153
MPTM: A Topic Model for Multi-Part Documents....Pages 154-168
Retaining Rough Diamonds: Towards a Fairer Elimination of Low-Skilled Workers....Pages 169-185
Front Matter....Pages 187-187
Skyline Trips of Multiple POIs Categories....Pages 189-206
Keyword-Aware Dominant Route Search for Various User Preferences....Pages 207-222
Spatial Keyword Range Search on Trajectories....Pages 223-240
TOF: A Throughput Oriented Framework for Spatial Queries Processing in Multi-core Environment....Pages 241-256
Front Matter....Pages 257-257
Identifying and Caching Hot Triples for Efficient RDF Query Processing....Pages 259-274
History-Pattern Implementation for Large-Scale Dynamic Multidimensional Datasets and Its Evaluations....Pages 275-291
Scalagon: An Efficient Skyline Algorithm for All Seasons....Pages 292-308
Towards Order-Preserving SubMatrix Search and Indexing....Pages 309-326
Front Matter....Pages 327-327
Large-Scale Multi-party Counting Set Intersection Using a Space Efficient Global Synopsis....Pages 329-345
Front Matter....Pages 327-327
Improved Weighted Bloom Filter and Space Lower Bound Analysis of Algorithms for Approximated Membership Querying....Pages 346-362
Tree Contraction for Compressed Suffix Arrays on Modern Processors....Pages 363-378
Scalable Top- $$ k$$ Spatial Image Search on Road Networks....Pages 379-396
Front Matter....Pages 397-397
An Efficient Method to Find the Optimal Social Trust Path in Contextual Social Graphs....Pages 399-417
Pricing Strategies for Maximizing Viral Advertising in Social Networks....Pages 418-434
Boosting Financial Trend Prediction with Twitter Mood Based on Selective Hidden Markov Models....Pages 435-451
k-Consistent Influencers in Network Data....Pages 452-468
Front Matter....Pages 469-469
Analyzing Electric Vehicle Energy Consumption Using Very Large Data Sets....Pages 471-487
Interactive, Flexible, and Generic What-If Analyses Using In-Memory Column Stores....Pages 488-497
Energy Efficient Scheduling of Fine-Granularity Tasks in a Sensor Cloud....Pages 498-513
Front Matter....Pages 515-515
Invariant Event Tracking on Social Networks....Pages 517-521
EmoTrend: Emotion Trends for Events....Pages 522-525
A Restaurant Recommendation System by Analyzing Ratings and Aspects in Reviews....Pages 526-530
ENRS: An Effective Recommender System Using Bayesian Model....Pages 531-535
EPSCS: Simulating and Measuring Energy Proportionality of Server Clusters....Pages 536-540
MAVis: A Multiple Microblogs Analysis and Visualization Tool....Pages 541-545
Back Matter....Pages 547-549