LLO: An Object-Oriented Deductive Language with Methods and Method Inheritance
Summary: LLO extends Horn clause programs with object-oriented features - methods and inheritance - in a deductive database setting. Meta variables build type/class hierarchies; methods are rules, and inheritance via typing and unification, with defined procedural semantics. (summarized by gpt-5-nano on Feb 09 2026)
Incoming Non-self Citations Over Time
Authors
- 1. Yanjun Lou (Case Western Reserve University)
- 2. Z. Meral Ozsoyoglu (Case Western Reserve University)
BibTeX Citation
@inproceedings{lou_sigmod91,
title = {{LLO: An Object-Oriented Deductive Language with Methods and Method Inheritance}},
author = {Lou, Yanjun and Ozsoyoglu, Z. Meral},
series = {{SIGMOD} '91},
booktitle = {Proceedings of the {ACM} {SIGMOD} International Conference on Management of Data},
publisher = {Association for Computing Machinery},
doi = {10.1145/115790.115819},
url = {https://dl.acm.org/doi/10.1145/115790.115819},
year = {1991}
}Incoming Citations (Sorted by Pagerank)
Showing 3 of 3 citing papers.
| Rank | Citing Paper | Year | Venue | Pagerank |
|---|---|---|---|---|
| 5,872 | Methods and Rules | 1993 | SIGMOD | 5.9459225e-05 |
| 6,382 | Towards a Unified Visual Database Access | 1993 | SIGMOD | 5.78729e-05 |
| 13,378 | An Effective Deductive Object-Oriented Database Through Language Integration | 1994 | VLDB | 4.9605343e-05 |
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Outgoing Citations (Sorted by Pagerank)
Showing 9 of 9 cited papers.
Citations counted here include only citations to other VLDB/SIGMOD/CIDR/PODS papers in this database.
| Rank | Cited Paper | Year | Venue | Pagerank |
|---|---|---|---|---|
| 368 | Object Identity As A Query Language Primitive | 1989 | SIGMOD | 0.00019850502 |
| 875 | Object-Oriented Database Systems | 1988 | PODS | 0.00013282524 |
| 908 | F-Logic: A Higher-Order Language for Reasoning about Objects, Inheritance, and Scheme | 1989 | SIGMOD | 0.00013123298 |
| 1,004 | ILOG: Declarative Creation and Manipulation of Object Identifiers | 1990 | VLDB | 0.00012557552 |
| 1,056 | Sets and Negation in a Logic Database Language (LDL1) | 1987 | PODS | 0.00012252667 |
| 1,961 | A Logic for Object-Oriented Logic Programming (Maier's O-Logic Revisited) | 1989 | PODS | 9.2843909e-05 |
| 2,840 | Modeling Complex Structures in Object-Oriented Databases | 1989 | PODS | 7.9379573e-05 |
| 3,155 | C-Logic of Complex Objects | 1989 | PODS | 7.5700426e-05 |
| 3,278 | Method Schemas | 1990 | PODS | 7.4526035e-05 |
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Semantically Similar Papers
| # | Overall Rank | Paper | Year | Venue |
|---|---|---|---|---|
| 1 | 5,099 | A Relationship Mechanism for a Strongly Typed Object-Oriented Database Programming Language | 1991 | VLDB |
| 2 | 8,756 | Coral++: Adding Object-Orientation to a Logic Database Language | 1993 | VLDB |
| 3 | 7,077 | Semantic Modeling of Object Oriented Databases | 1991 | VLDB |
| 4 | 13,389 | A Logical Semantics for Object-Oriented Databases | 1993 | SIGMOD |
| 5 | 13,302 | Implementing Abstract Objects with Inheritance in Datalog^neg | 1997 | VLDB |
| 6 | 638 | LDL: A Logic-Based Data-Language | 1986 | VLDB |
| 7 | 1,004 | ILOG: Declarative Creation and Manipulation of Object Identifiers | 1990 | VLDB |
| 8 | 908 | F-Logic: A Higher-Order Language for Reasoning about Objects, Inheritance, and Scheme | 1989 | SIGMOD |
| 9 | 4,178 | Towards a Real Horn Clause Language | 1988 | VLDB |
| 10 | 13,378 | An Effective Deductive Object-Oriented Database Through Language Integration | 1994 | VLDB |