Head-driven Phrase Structure Grammar I

More documents

Recommendations

Info

Basic Idea Typed feature structure HPSG: First glance Unification: An example (4) {q 3 , q ′ 6 } {q 0 , q ′ 0 } SUBJ P RED {q 1 , q ′ 1 } AGR {q 4 , q ′ 3 } AGR {q 2 , q 5 , q ′ 2 } P ERS NUM {q 7 } ◮ (Q ∪ Q ′ )/ ⊲⊳ = {{q 0 , q ′ 0 }, {q 1, q ′ 1 }, {q 4, q ′ 3 }, {q 2, q 5 , q ′ 2 }, {q 3, q 6 }, {q 7 }} ◮ [r] ⊲⊳ = {q 0 , q ′ 0 } ◮ θ = {{q 0 , q ′ 0 } → predicate, {q 1, q ′ 1 } → noun, {q 4, q ′ 3 } → verb, {q 2 , q 5 , q ′ 2 } → agreement, {q 3, q 6 } → 3rd, {q 7 } → singular} ◮ δ = {(SUBJ, {q 0 , q ′ 0 }) → {q 1, q ′ 1 }, (P RED, {q 0, q ′ 0 }) → {q 4 , q ′ 3 }, (AGR, {q 1, q ′ 1 }) → {q 2, q 5 , q ′ 2 }, (P ERS, {q 2, q 5 , q ′ 2 }) → {q 3 , q 6 }, (AGR, {q 4 , q ′ 3 }) → {q 2, q 5 , q ′ 2 }, (NUM, {q 2, q 5 , q ′ 2 }) → {q 7} Weiwei Sun Head-driven Phrase Structure Grammar I 39/61
Basic Idea Typed feature structure HPSG: First glance Unification: More examples Example ◮ [ agreement [ ⎡ [ ⎣ agreement number number PL number PL] ] ⊔ [ number PL] = ] ⎤ PL ⎦ Example t 3 t 4 t 1 t 2 ⊥ 1. 2. 3. [ ] [ F1 t 2 F 1 t 1 ]⊔ = t 4 F 2 t 3 t 4 [ ] [ ] F1 t 1 F1 1 ⊔ = F 2 t 2 F 2 1 t 4 ⊥ [ ] [ ] F1 1 t 1 F2 1 ⊔ F 2 1 F 3 1 t 4 ⊥ ⊥ [ ] F1 t 3 F 2 t 3 t 4 [ ] F1 1 F 2 1 t 3 t 4 = False Weiwei Sun Head-driven Phrase Structure Grammar I 40/61
Page 1 and 2: Head-driven Phrase Structure Gramma
Page 3 and 4: Basic Idea Typed feature structure
Page 49: Basic Idea Typed feature structure
Page 73: Basic Idea Typed feature structure

Head-driven Phrase Structure Grammar I

Create successful ePaper yourself

Delete template?

Save as template?