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 |
|---|---|---|---|---|
| 4,459 | Temporal Coalescing with Now, Granularity, and Incomplete Information | 2003 | SIGMOD | 6.1605173e-05 |
| 4,879 | Temporal Slicing in the Evaluation of XML Queries | 2003 | VLDB | 5.8536378e-05 |
| 5,934 | Capturing and Querying Multiple Aspects of Semistructured Data | 1999 | VLDB | 5.2617479e-05 |
| 6,358 | Snapshot Semantics for Temporal Multiset Relations | 2019 | VLDB | 5.0915048e-05 |
| 6,954 | Scalable Architecture and Query Optimization for Transaction-time DBs with Evolving Schemas | 2010 | SIGMOD | 4.8815754e-05 |
| 7,159 | TIP: A Temporal Extension to Informix | 2000 | SIGMOD | 4.8095398e-05 |
| 8,577 | LIT: Lightning-fast In-memory Temporal Indexing | 2024 | SIGMOD | 4.4879347e-05 |
| 8,719 | Preference-aware Integration of Temporal Data | 2015 | VLDB | 4.4564363e-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 | 0.001426258 |
| 140 | Predicate Migration: Optimizing Queries with Expensive Predicates | 1993 | SIGMOD | 0.00042289025 |
| 151 | An Evaluation of Non-Equijoin Algorithms | 1991 | VLDB | 0.00041010211 |
| 2,089 | Practical Predicate Placement | 1994 | SIGMOD | 9.5689208e-05 |
| 5,136 | Temporal Query Processing and Optimization in Multiprocessor Database Machines | 1992 | VLDB | 5.6666995e-05 |
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Semantically Similar Papers
| Overall Rank | Paper | Year | Venue | Pagerank |
|---|---|---|---|---|
| 12,976 | Temporal Relationships in Databases | 1988 | VLDB | 4.1905499e-05 |
| 445 | Computing Joins Of Relations | 1975 | SIGMOD | 0.00023029279 |
| 6,828 | Temporal Alignment | 2012 | SIGMOD | 4.9088814e-05 |
| 699 | Query Execution Techniques for Caching Expensive Methods | 1996 | SIGMOD | 0.0001794078 |
| 6,452 | On Spatially Partitioned Temporal Join | 1994 | VLDB | 5.0519322e-05 |
| 12,911 | A Uniform Approach to Processing Temporal Queries | 1992 | VLDB | 4.1905499e-05 |
| 5,136 | Temporal Query Processing and Optimization in Multiprocessor Database Machines | 1992 | VLDB | 5.6666995e-05 |
| 8,163 | Computing Complex Temporal Join Queries Efficiently | 2022 | SIGMOD | 4.5685178e-05 |
| 4,005 | Event-Join Optimization in Temporal Relational Databases | 1989 | VLDB | 6.5387514e-05 |
| 4,459 | Temporal Coalescing with Now, Granularity, and Incomplete Information | 2003 | SIGMOD | 6.1605173e-05 |