Some more or less recent trends in search and data processing
- Databases: structured search
- Search Engines: unstructured search
- Search in 2010: structured + unstructured
- Search: full reindexing -> incremental indexing
- Lucene: search with delay after indexing -> near real-time search -> real-time search
- Hadoop: batch-oriented MapReduce -> real-time MapReduce on streaming data