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 |
|---|---|---|---|---|
| 5,859 | Methods and Rules | 1993 | SIGMOD | 5.9656486e-05 |
| 6,372 | Towards a Unified Visual Database Access | 1993 | SIGMOD | 5.8064898e-05 |
| 13,337 | An Effective Deductive Object-Oriented Database Through Language Integration | 1994 | VLDB | 4.9769913e-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 |
|---|---|---|---|---|
| 366 | Object Identity As A Query Language Primitive | 1989 | SIGMOD | 0.00019914615 |
| 874 | Object-Oriented Database Systems | 1988 | PODS | 0.00013325135 |
| 905 | F-Logic: A Higher-Order Language for Reasoning about Objects, Inheritance, and Scheme | 1989 | SIGMOD | 0.00013165264 |
| 1,003 | ILOG: Declarative Creation and Manipulation of Object Identifiers | 1990 | VLDB | 0.00012591126 |
| 1,049 | Sets and Negation in a Logic Database Language (LDL1) | 1987 | PODS | 0.00012293092 |
| 1,953 | A Logic for Object-Oriented Logic Programming (Maier's O-Logic Revisited) | 1989 | PODS | 9.3147717e-05 |
| 2,825 | Modeling Complex Structures in Object-Oriented Databases | 1989 | PODS | 7.9641973e-05 |
| 3,143 | C-Logic of Complex Objects | 1989 | PODS | 7.5947835e-05 |
| 3,265 | Method Schemas | 1990 | PODS | 7.4773282e-05 |
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Semantically Similar Papers
| # | Overall Rank | Paper | Year | Venue |
|---|---|---|---|---|
| 1 | 5,077 | A Relationship Mechanism for a Strongly Typed Object-Oriented Database Programming Language | 1991 | VLDB |
| 2 | 8,736 | Coral++: Adding Object-Orientation to a Logic Database Language | 1993 | VLDB |
| 3 | 7,056 | Semantic Modeling of Object Oriented Databases | 1991 | VLDB |
| 4 | 13,348 | A Logical Semantics for Object-Oriented Databases | 1993 | SIGMOD |
| 5 | 13,261 | Implementing Abstract Objects with Inheritance in Datalog^neg | 1997 | VLDB |
| 6 | 636 | LDL: A Logic-Based Data-Language | 1986 | VLDB |
| 7 | 1,003 | ILOG: Declarative Creation and Manipulation of Object Identifiers | 1990 | VLDB |
| 8 | 905 | F-Logic: A Higher-Order Language for Reasoning about Objects, Inheritance, and Scheme | 1989 | SIGMOD |
| 9 | 4,158 | Towards a Real Horn Clause Language | 1988 | VLDB |
| 10 | 13,337 | An Effective Deductive Object-Oriented Database Through Language Integration | 1994 | VLDB |