From the 1 of 4 linked papers with an AI index.
4 papers
TELLER: Dual-Path Iterative Preference Optimization for Table Entity Linking
Yixin Peng, Kehao Li, Stefan Decker
Entity linking in tables matches short and ambiguous cell mentions to their corresponding knowledge-base entities. Existing approaches typically rely on data preprocessing pipeline…
THGFM: Dual-Branch Temporal Heterogeneous Graph Fusion Model
Yixin Peng, Diego Collarana, Er Jin +1
The paper introduces THGFM, a dual-branch graph transformer model that jointly handles structural heterogeneity and temporal dynamics in heterogeneous graphs using shared and speci…
Axis-Aligned Semantics for ODRL: Resolving Dimensional Ambiguity in Policy Constraints
Daham Mustafa, Diego Collarana, Sabrina Kirrane +5
The Open Digital Rights Language (ODRL) represents policy constraints as triples of a left operand, an operator, and a value. Several spatial operands, however, range over multi-ax…
Denotational Semantics for ODRL: Knowledge-Based Constraint Conflict Detection
Daham Mustafa, Diego Collarana, Yixin Peng +4
ODRL's six set-based operators -- isA, isPartOf, hasPart, isAnyOf, isAllOf, isNoneOf -- depend on external domain knowledge that the W3C specification leaves unspecified. Without i…