Coalescing in Temporal Databases
Summary: Coalescing is a temporal unary operator; the paper shows how to prune semantically unnecessary coalescing. It surveys DBMS algorithms (nested-loop, sorting, partitioning) and SQL approaches, with a study showing feasibility but nontrivial cost. (summarized by gpt-5-nano on Feb 09 2026)
Incoming Non-self Citations Over Time
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Incoming Citations (Sorted by Pagerank)
Showing 8 of 8 citing papers.
| Rank | Citing Paper | Year | Venue | Pagerank |
|---|---|---|---|---|
| 4,458 | Temporal Coalescing with Now, Granularity, and Incomplete Information | 2003 | SIGMOD | 6.1663503e-05 |
| 4,876 | Temporal Slicing in the Evaluation of XML Queries | 2003 | VLDB | 5.8593792e-05 |
| 5,933 | Capturing and Querying Multiple Aspects of Semistructured Data | 1999 | VLDB | 5.2668503e-05 |
| 6,359 | Snapshot Semantics for Temporal Multiset Relations | 2019 | VLDB | 5.0963959e-05 |
| 6,956 | Scalable Architecture and Query Optimization for Transaction-time DBs with Evolving Schemas | 2010 | SIGMOD | 4.8862692e-05 |
| 7,159 | TIP: A Temporal Extension to Informix | 2000 | SIGMOD | 4.8141644e-05 |
| 8,580 | LIT: Lightning-fast In-memory Temporal Indexing | 2024 | SIGMOD | 4.492241e-05 |
| 8,722 | Preference-aware Integration of Temporal Data | 2015 | VLDB | 4.4606662e-05 |
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Outgoing Citations (Sorted by Pagerank)
Showing 5 of 5 cited papers.
Citations counted here include only citations to other VLDB/SIGMOD/CIDR/PODS papers in this database.
| Rank | Cited Paper | Year | Venue | Pagerank |
|---|---|---|---|---|
| 9 | Implementation Techniques For Main Memory Database Systems | 1984 | SIGMOD | 0.0014279444 |
| 139 | Predicate Migration: Optimizing Queries with Expensive Predicates | 1993 | SIGMOD | 0.00042299329 |
| 152 | An Evaluation of Non-Equijoin Algorithms | 1991 | VLDB | 0.00040963225 |
| 2,086 | Practical Predicate Placement | 1994 | SIGMOD | 9.5779956e-05 |
| 5,132 | Temporal Query Processing and Optimization in Multiprocessor Database Machines | 1992 | VLDB | 5.6740462e-05 |
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Semantically Similar Papers
| Overall Rank | Paper | Year | Venue | Pagerank |
|---|---|---|---|---|
| 12,966 | Temporal Relationships in Databases | 1988 | VLDB | 4.1945683e-05 |
| 441 | Computing Joins Of Relations | 1975 | SIGMOD | 0.00023058395 |
| 6,830 | Temporal Alignment | 2012 | SIGMOD | 4.9136035e-05 |
| 703 | Query Execution Techniques for Caching Expensive Methods | 1996 | SIGMOD | 0.00017916705 |
| 6,454 | On Spatially Partitioned Temporal Join | 1994 | VLDB | 5.0569697e-05 |
| 12,901 | A Uniform Approach to Processing Temporal Queries | 1992 | VLDB | 4.1945683e-05 |
| 5,132 | Temporal Query Processing and Optimization in Multiprocessor Database Machines | 1992 | VLDB | 5.6740462e-05 |
| 8,159 | Computing Complex Temporal Join Queries Efficiently | 2022 | SIGMOD | 4.5729025e-05 |
| 3,998 | Event-Join Optimization in Temporal Relational Databases | 1989 | VLDB | 6.5472662e-05 |
| 4,458 | Temporal Coalescing with Now, Granularity, and Incomplete Information | 2003 | SIGMOD | 6.1663503e-05 |