Papers with Knowledge graphs

32 papers
Relation Prediction for Unseen-Entities Using Entity-Word Graphs (D19-53)

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Challenge: Knowledge graphs (KGs) are incomplete and miss some information.
Approach: They propose to learn entity representations via a graph structure that uses Seen-entities, Unseen-Entities and words as nodes created from the descriptions of all entities.
Outcome: The proposed method improves relation prediction for the entity pairs containing Unseen-entities.
KGLM: Integrating Knowledge Graph Structure in Language Models for Link Prediction (2023.starsem-1)

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Challenge: Knowledge graphs are incomplete in the information they represent, necessitating knowledge graph completion tasks.
Approach: They propose a new entity/relation embedding layer that learns to differentiate distinctive entity and relation types, thus allowing the model to learn the structure of the knowledge graph.
Outcome: The proposed language model learns to differentiate distinct entity and relation types, thus learning the structure of the knowledge graph.
LinkNBed: Multi-Graph Representation Learning with Entity Linkage (P18-1)

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Challenge: Knowledge graphs have emerged as an important model for studying complex multi-relational data.
Approach: They propose a deep relational learning framework that learns entity and relationship representations across multiple graphs.
Outcome: The proposed framework improves on the state-of-the-art relational learning approaches and identifies entity linkage across graphs.
StATIK: Structure and Text for Inductive Knowledge Graph Completion (2022.findings-naacl)

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Challenge: Knowledge graphs (KGs) represent incomplete knowledge bases.
Approach: They propose to use language models to extract semantic information from text descriptions while using Message Passing Neural Networks to capture structural information.
Outcome: The proposed model achieves state of the art on three challenging inductive baselines.
The Lifecycle of “Facts”: A Survey of Social Bias in Knowledge Graphs (2022.aacl-main)

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Challenge: Knowledge graphs are used in a variety of downstream tasks and in hybrid AI systems.
Approach: They propose to examine the lifecycle of knowledge graphs with respect to bias influences.
Outcome: The proposed models are based on the lifecycle of knowledge graphs and their embedded versions . they show that the KGs manifest biases and propagate harmful prejudices .
REMATCH: Robust and Efficient Matching of Local Knowledge Graphs to Improve Structural and Semantic Similarity (2024.findings-naacl)

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Challenge: Existing AMR metrics are inefficient and struggle to capture semantic similarity . Existing metrics are not efficient and lack a systematic evaluation benchmark .
Approach: They propose a new AMR similarity metric, rematch, which matches graphs structurally and semantically to each other.
Outcome: The proposed metric is five times faster than the next most efficient metric.
Graph Pattern Entity Ranking Model for Knowledge Graph Completion (N19-1)

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Challenge: Knowledge graph embedding models are so called-black box and are hard to interpret.
Approach: They propose to use graph patterns to construct an entity ranking system for each graph pattern and evaluate them using a ranking system.
Outcome: The proposed model outperforms other state-of-the-art models on standard metrics such as HITS@n and MRR.
A Hierarchical N-Gram Framework for Zero-Shot Link Prediction (2022.findings-emnlp)

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Challenge: Existing approaches to zero-shot link prediction use textual features of relations as auxiliary information to improve the encoded representation.
Approach: They propose a Hierarchical N-gram framework for Zero-Shot Link Prediction that leverages character n-gram information for ZSLP.
Outcome: The proposed method achieves state-of-the-art on two standard ZSLP datasets.
Retrofitting Distributional Embeddings to Knowledge Graphs with Functional Relations (C18-1)

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Challenge: Existing methods for retrofitting knowledge graph embeddings assume connected entities have similar embeddments, but these assumptions are not true for large knowledge graphs.
Approach: They propose to retrofit distributional and relational data to a knowledge graph structure . they propose to explicitly model pairwise relations to overcome these limitations .
Outcome: The proposed framework outperforms existing retrofitting methods on complex knowledge graphs and loses no accuracy on simpler graphs.
CAKE: A Scalable Commonsense-Aware Framework For Multi-View Knowledge Graph Completion (2022.acl-long)

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Challenge: Existing knowledge graph embedding techniques rely on fact-view data to predict missing links between entities, limiting their performance.
Approach: They propose a commonsense-aware knowledge embedding framework which generates commonsensense from factual triples with entity concepts for a KGC task.
Outcome: The proposed framework could produce high-quality negative triples and joint commonsense and fact-view link prediction.
Edge: Enriching Knowledge Graph Embeddings with External Text (2021.naacl-main)

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Challenge: Knowledge graphs suffer from sparsity which degrades the quality of representations generated by various methods.
Approach: They propose a knowledge graph enrichment framework called Edge to enhance knowledge graphs based on "hard" co-occurrence of words in knowledge graph entities and external text.
Outcome: The proposed framework achieves "soft" augmentation by combining external text with knowledge graph entities.
One-Shot Relational Learning for Knowledge Graphs (D18-1)

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Challenge: Existing studies on knowledge graph completion require a large number of positive examples for each relation, but long-tail relations are more common in KGs and those newly added relations do not have many known triples for training.
Approach: They propose a one-shot relational learning framework that utilizes the knowledge distilled by embedding models and learns a matching metric by considering both the learned embeddments and one-hop graph structures.
Outcome: The proposed framework improves on existing embedding models and eliminates the need for retraining when dealing with newly added relations.
SAC-KG: Exploiting Large Language Models as Skilled Automatic Constructors for Domain Knowledge Graph (2024.acl-long)

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Challenge: Existing KG construction methods rely on human intervention to attain qualified KGs, which severely hinders the practical application of domain KG.
Approach: They propose a general KG construction framework that uses large language models as "S**killed" A**utomatic C**onstructors for domain knowledge (G**raph)
Outcome: The proposed framework generates specialized multi-level knowledge graphs at the scale of over one million nodes and achieves 89.32% precision rate compared to state-of-the-art methods.
Faithfully Explainable Recommendation via Neural Logic Reasoning (2021.naacl-main)

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Challenge: Existing models for explainable recommendation have neglected faithfulness of KG reasoning .
Approach: They propose to draw on interpretable logical rules to guide path-reasoning process for explanation generation.
Outcome: The proposed method delivers high-quality recommendations and ascertains the faithfulness of the derived explanation.
DIVINE: A Generative Adversarial Imitation Learning Framework for Knowledge Graph Reasoning (D19-1)

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Challenge: Existing knowledge graph reasoning methods require numerous trials for path-finding and require meticulous reward engineering to fit specific datasets.
Approach: They propose a plug-and-play framework that uses generative adversarial imitation learning to enhance existing RL-based methods.
Outcome: The proposed framework improves existing RL-based methods while eliminating reward engineering.
GMH: A General Multi-hop Reasoning Model for KG Completion (2021.emnlp-main)

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Challenge: Knowledge graphs are incomplete with many facts missing, causing performance bottlenecks in many applications.
Approach: They propose a general multi-hop reasoning task that can be formulated as a search process and can be extended to long-distance reasoning scenarios.
Outcome: The proposed model improves on baselines in short and long distance reasoning scenarios.
Wikontic: Constructing Wikidata-Aligned, Ontology-Aware Knowledge Graphs with Large Language Models (2026.eacl-long)

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Challenge: Knowledge graphs provide structured, verifiable grounding for large language models . current LLMs use KGs as auxiliary structures for text retrieval .
Approach: They propose a pipeline that constructs KGs from open-domain texts using triplets and qualifiers.
Outcome: The proposed pipeline outperforms existing methods in retrieval-augmented generation.
Does Pre-trained Language Model Actually Infer Unseen Links in Knowledge Graph Completion? (2024.naacl-long)

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Challenge: Knowledge Graph Completion (KGC) is a task that infers unseen relationships between entities . traditional embedding-based methods infer missing links using only training data . a pre-trained language model (PLM)-based KGC may be ineffective in practical applications .
Approach: They propose to use knowledge Graph Completion (KGC) to infer unseen relationships . traditional embedding-based KGC methods infer missing links only from training data . they argue that pre-trained language models acquire inference abilities through pre-training .
Outcome: The proposed method improves performance even though it does not use memorized knowledge.
Knowledge Graph Embeddings using Neural Ito Process: From Multiple Walks to Stochastic Trajectories (2023.findings-acl)

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Challenge: Existing knowledge graph embeddings have problems expressing knowledge graphs because they model a specific relation r from a head h to tails by transitioning deterministically to exactly one other point in the embeddable space.
Approach: They propose a framework that models relations between nodes by relation-specific, stochastic transitions.
Outcome: The proposed framework is expressive and generic subsuming state-of-the-art models operating on low-dimensional manifolds.
VISTA: Visual-Textual Knowledge Graph Representation Learning (2023.findings-emnlp)

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Challenge: Existing knowledge graph embedding methods only consider the structure of a knowledge graph, but some recent proposed methods utilize images or text descriptions of entities in a VTKG.
Approach: They propose a visual-textual knowledge graph (VTKG) where triplets can be explained using images and entities and relations can accompany text descriptions.
Outcome: The proposed method outperforms state-of-the-art knowledge graph completion methods in real-world knowledge graphs.
TuckER: Tensor Factorization for Knowledge Graph Completion (D19-1)

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Challenge: Knowledge graphs contain only a small subset of all possible facts . link prediction is a task of inferring missing facts based on existing facts - knowledge graphs are expensive and lack of information is needed to add new information.
Approach: They propose a linear model based on Tucker decomposition of knowledge graph triples . they show that the model is expressive and has sufficient bounds on its embedding dimensionalities .
Outcome: The proposed model outperforms state-of-the-art models across standard datasets and acts as a strong baseline for more elaborate models.
An Unsupervised Joint System for Text Generation from Knowledge Graphs and Semantic Parsing (2020.emnlp-main)

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Challenge: Knowledge graphs (KGs) vary greatly from one domain to another, resulting in a lack of domain-specific parallel graph-text data.
Approach: They propose an unsupervised approach to graph-to-text generation and text-to graph knowledge extraction using WebNLG v2.1 and a new benchmark leveraging scene graphs from Visual Genome.
Outcome: The proposed approach outperforms baselines on WebNLG v2.1 and a new benchmark leveraging scene graphs from Visual Genome.
Are Message Passing Neural Networks Really Helpful for Knowledge Graph Completion? (2023.acl-long)

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Challenge: Existing knowledge graphs are far from complete with large portions of triplets missing.
Approach: They propose to use Graph Neural Networks to learn powerful embeddings to improve model performance.
Outcome: The proposed models achieve comparable performance to MLP models, suggesting that MP may not be as crucial as previously thought.
Generating Domain-Specific Knowledge Graphs from Large Language Models (2025.findings-acl)

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Challenge: Large language models (LLMs) have shown impressive world knowledge across different benchmarks and domains but their knowledge is inconveniently scattered across their billions of parameters.
Approach: They propose a prompt-based method to extract knowledge solely from LLMs’ parameters to construct domain-specific KGs by a schema-based process.
Outcome: The proposed method generates large domain-specific KGs containing tens of thousands of entities and relations, and then evaluates against Wikidata, an open-source human-created KG.
Tree-of-Traversals: A Zero-Shot Reasoning Algorithm for Augmenting Black-box Language Models with Knowledge Graphs (2024.acl-long)

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Challenge: Knowledge graphs (KGs) complement Large Language Models (LLMs) by providing reliable, structured, domain-specific, and up-to-date external knowledge.
Approach: They propose a zero-shot reasoning algorithm that augments black-box LLMs with one or more KGs.
Outcome: The proposed algorithm significantly improves performance on question answering and KG question answering tasks.
A Framework of Knowledge Graph-Enhanced Large Language Model Based on Question Decomposition and Atomic Retrieval (2024.findings-emnlp)

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Challenge: Existing methods to enhance LLMs with knowledge graphs have limited results . knowledge graph question answering (KGQA) provides interpretable reasoning for large language models .
Approach: They propose a framework for KG-enhanced LLM based on question decomposition and atomic retrieval . they propose question decomposing tree as framework for LLM reasoning .
Outcome: The proposed framework outperforms existing reasoning-based baselines on KGQA datasets.
Inductive Reasoning on Few-Shot Knowledge Graphs with Task-Aware Language Models (2025.findings-emnlp)

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Challenge: Current knowledge graph reasoning methods rely on extensive structural information to perform in these few-shot scenarios.
Approach: They propose a task-aware language model that activates the language model’s in-context learning ability for structured KG tasks.
Outcome: The proposed method achieves state-of-the-art in few-shot scenarios while reducing the inference time required by previous methods.
Faithful Knowledge Graph Explanations in Commonsense Question Answering (2022.emnlp-main)

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Challenge: Knowledge graphs are used to express explanations for the model's answer choice.
Approach: They propose to use knowledge graphs to encode facts separately from the question and combine them to select an answer.
Outcome: The proposed architectures can be used to express the facts used to answer a question in a graph-based explanation, but they will not include reasoning done by the transformer encoding the question, and will be incomplete.
Context-Aware Adapter Tuning for Few-Shot Relation Learning in Knowledge Graphs (2024.emnlp-main)

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Challenge: Existing methods to predict instances for missing relations on knowledge graphs are limited by their limited training examples.
Approach: They propose a context-aware adapter for few-shot relation learning in KGs . they propose tunable relation adaptation and contextual information for each relation .
Outcome: Experiments on three benchmark KGs validate the superiority of RelAdapter over state-of-the-art methods.
HyperKGR: Knowledge Graph Reasoning in Hyperbolic Space with Graph Neural Network Encoding Symbolic Path (2025.emnlp-main)

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Challenge: Existing methods for linking knowledge graphs are incomplete and rely on Euclidean embeddings . a hyperbolic GNN framework embeds recursive learning trees in hyperbolical space .
Approach: They propose a hyperbolic GNN framework that embeds recursive learning trees in hyperbolical space and generates query-specific embeddings.
Outcome: The proposed framework outperforms state-of-the-art methods on multiple benchmark datasets.
LLMs as Knowledge Graph Refiners: Mitigating Factual Inconsistencies in Generative Knowledge Extraction (2026.acl-long)

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Challenge: Knowledge graphs (KGs) represent real-world entities and their relations in a structured form.
Approach: They propose a framework that performs triple-level refinement on KGs constructed via GKE.
Outcome: The proposed framework improves KG quality from diverse perspectives.
LogosKG: Hardware-Optimized Scalable and Interpretable Knowledge Graph Retrieval (2026.acl-long)

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Challenge: Existing systems struggle to balance efficiency, scalability, and interpretability.
Approach: They propose a hardware-aligned framework that enables scalable and interpretable k-hop retrieval on large KGs.
Outcome: The proposed framework scales to billion-edge graphs without loss of retrieval fidelity.

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