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楼主 |
发表于 2008-3-18 13:10:54
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你好,这是我现在正在写着的程序,以上问题就在其中,请多指教
# B9 Z2 n6 p. s rglobals[2 e' u3 J" ~: n: j
xmax
7 [5 x1 J; `1 A) x) E& oymax
3 |. c+ H% d- B" _, [7 Uglobal-reputation-list5 E* p$ Q+ c: C( \
+ B3 G/ Q+ C6 B/ g- M4 z7 a;;每一个turtle的全局声誉都存在此LIST中8 v" u! _( A3 [/ m
credibility-list+ r! I# U* q# Z& D$ ^% ?
;;每一个turtle的评价可信度
/ ]$ n/ e! U: chonest-service
* T$ m1 e; @3 ]' x6 Xunhonest-service$ t8 X' H. i; [+ q
oscillation
5 ~/ d+ W3 r/ ?$ m- E. Orand-dynamic
+ z7 Y4 f7 G7 \]' C( P; i% {5 g* l; b+ w {
! W- K0 W+ _$ Q, Oturtles-own[
' r' M9 K t7 q6 K: O$ f6 R4 y# \4 xtrade-record-all
% A7 B I0 G) @* i: [# S: x;;a list of lists,由trade-record-one组成7 x* \" ^6 ]- |1 E! M$ b( l# c
trade-record-one6 p' g( `+ U$ ~- G i8 C
;;list,trade-record-all 中的一个list,作为暂存用,记录两个turtles的交易记录0 Y1 }* X. O6 O8 l# |! G
% _; d y! n( F2 A- j) ^, O/ O
;;[对方turtle的编号,交易总次数,交易总金额,[本次交易的时间,交易金额,得到的评价,给出的评价,评价时间,此次交易后相对于对方turtle的局部声誉]]! Z# @* U6 T. i+ U, E! N* U
trade-record-current;;list,trade-record-one中的这个list,作为暂存用,[本次交易的时间,交易金额,得到的评价,给出的评价,评价时间,此次交易后相对于对方turtle的局部声誉]1 `" X& v n I* {& ^( s: y
credibility-receive ;;list,他每个turtle还需要有一个存储其他turtle对其评价质量进行评价的list
, b( B0 g6 ]( R4 uneighbor-total- M* m( s! } \3 B! H
;;记录该turtle的邻居节点的数目* U$ N0 T; l# `# {. q0 G
trade-time
4 C5 B4 k( \6 @( t+ Q1 W;;当前发生交易的turtle的交易时间
, M2 ~; `2 B" L* jappraise-give
7 [& E1 W3 Q+ b;;当前发生交易时给出的评价
- g: ^% I% x) p3 O# K2 w ]appraise-receive
. W+ ~! V# L( T' \/ K* G* E;;当前发生交易时收到的评价9 E" R4 x- G6 ~3 o) h6 f6 N" @
appraise-time
V: X; O- g5 c6 A! b. e9 |. {7 E1 e: d;;当前发生交易时的评价时间
) L- S: N2 u3 E* d; Z& u) g1 zlocal-reputation-now;;此次交易后相对于对方turtle的局部声誉0 [% B2 ]" [/ a3 n/ G; N
trade-times-total
! f" z, h; F6 w' `;;与当前turtle的交易总次数) ^+ S% U; f3 g' @8 |2 R7 M
trade-money-total
3 Q( g6 y4 b! ?- U. {0 h! f7 U;;与当前turtle的交易总金额0 T6 x7 \& B1 T2 h: y6 N
local-reputation+ g) Z; d! T- X" K8 j) ]: K! T+ K
global-reputation' M/ M1 }/ m' o
credibility
/ }6 N, O8 n4 @$ X) b1 }, K& M. _; U;;评价可信度,每次交易后都需要更新" `0 w6 }% N& O a
credibility-all' R8 Y. F# e: s2 N
;;a list of lists,由credibility-one组成。[[1对j的评价质量的评价][2对j的评价质量的评价]……[i对j的评价质量的评价]……],其中一共有people项,根据3 n' d# }8 |& r+ J0 D" k0 Q* |
7 ~5 s- {: ~9 I- L9 }1 h
;;turtle的编号对号入座,对于其自身的编号,在计算用到的时候再进行剔减,初始值均为0.5
4 ]$ ]$ g/ E6 j0 Pcredibility-one
; v4 l9 T: ?7 h7 N: m8 M# e;;a list [i对j给1的评价的质量评价,i对j给2的评价的质量评价……],其中一共有people项
& _8 Z- H9 J3 G: f2 k" |5 k& A* Mglobal-proportion0 A/ Y( a1 G' i* C' i/ \
customer" ^- X6 M8 t3 `# x: U9 X- e0 j
customer-no! @/ E5 n. X% U7 K: N, C" i% v
trust-ok; u. W R' A1 I$ N2 ^9 H
trade-record-one-len;;trade-record-one的长度# X+ q3 l5 ]$ M2 I
]
9 v/ i2 Z) x' e Y* V o2 H& I: c0 P8 e/ h0 |! x
;;setup procedure l: [( X" m* h, _; X
6 r. o7 r7 E6 h [* uto setup9 O1 I" h, Y$ w- a& ]
. X, {3 F- `; Z
ca
+ U# H V. e) y9 W) \) A7 F- B/ t% B2 x$ X. B2 p
initialize-settings3 B; _ \0 B c% H' N$ h% Q* {
1 r3 p) @: ]4 P) p8 v
crt people [setup-turtles]% ^0 z: N, ?7 m; c
# D3 v* D8 z/ k6 U) O. [ U6 s8 zreset-timer3 D6 V/ l: u9 H) ~7 F. e
' m; Y$ u" ^0 O; n3 _$ Vpoll-class
( l5 n @6 f9 I2 M7 G
& J ~& { m# C% h4 e! Gsetup-plots4 x+ f7 l" H) w
9 k0 B D2 H$ O# r
do-plots! S& Z, k* G; Y% t
end
4 I6 j! U9 I- ?* \& ~# u
$ Z( S8 @1 A/ P9 w4 Q! H5 Z9 cto initialize-settings! [+ v$ A, C/ C
* [2 m9 _+ ]' R" c
set global-reputation-list []* {' @& ~. F, w' q4 `) o" y
7 [, Q4 y8 n# E# j S1 Uset credibility-list n-values people [0.5]
" e, `4 _# H' Q: N. N
Z, Z6 j/ P6 j/ }+ {" g; `set honest-service 0. @/ ]0 `0 j# e
# R, z7 @3 q7 l/ y2 aset unhonest-service 09 j6 k' ~+ {1 d- J: W
( K9 N+ n3 J+ ^! k* s
set oscillation 01 s. I" J; q: B) f
4 a+ u0 K" a7 C. T( uset rand-dynamic 0
' F# u4 G$ _4 E. Eend: K% u5 u. M* V: I( {
. D' n, K; n n6 ]' T2 j) kto setup-turtles 6 M) f v6 l& m- o/ e+ d7 Z9 G9 g$ D
set shape "person"$ A0 w" I" q4 A6 R( z2 p" m
setxy random-xcor random-ycor* b1 L' _ [) q$ q# b2 e
set trade-record-one []8 @; x" k* @ A3 W" i g
0 |* L! e4 h0 i( _- Q" P# Tset trade-record-all n-values people [(list (? + 1) 0 0)] 9 x. f' A$ C k4 I1 I% F3 [9 p
2 W+ E- |7 ~$ n+ t; U: t& F
set trade-record-current []
% e/ d5 d [( i% D9 @) oset credibility-receive []3 ^; B* b% z7 } R7 x% h2 v
set local-reputation 0.5; I( A, \8 P: M% \. t* [
set neighbor-total 0* r7 }( A3 ^- n: ]3 u
set trade-times-total 0: B( r7 ~' k: o. x+ A* C8 c
set trade-money-total 0" K- q6 G/ a! E9 I; m& c
set customer nobody3 `" [; f" d* p: l. o
set credibility-all n-values people [creat-credibility]; d9 S3 t. c; w$ W6 g% F/ b
set credibility n-values people [-1]
, s; a; K+ p# P- `5 ]$ C& eget-color
; O! q9 |* c. D4 s0 r' [/ U3 \0 d" _! J$ S/ s
end
+ J7 A( A6 i9 t g0 I4 U4 P5 x% `$ E( m
to-report creat-credibility
. K8 C! \& B* w7 k N& [report n-values people [0.5]
& i- B" j Q& j: S9 Send/ K3 X+ m& ?1 p9 }1 m
; y3 C8 [7 U3 x4 g2 j
to setup-plots" ] Q/ q* B* K8 L1 V$ n
5 [2 c) Z; r! T+ L
set xmax 30
, f* @1 ?& s$ T0 M6 C; _0 t( x9 _
set ymax 1.06 \ K) c* R) O& u: d* q
, C- D- E4 _3 Xclear-all-plots
6 j( G7 a) W! n( m3 z) _& |1 b* K7 Y1 C% T u
setup-plot1: c* E6 Q+ I; \0 ? `5 c
' D0 y2 z% h, t H6 f8 A( E5 xsetup-plot2
3 m: C9 Q2 ^5 W/ K" T0 |
. l! x4 ~* ]4 Lsetup-plot3$ K* u" M H6 B
end- d, ]- m. |1 D
% w& Z* R q3 c; D* s
;;run time procedures
' R$ j! g6 R# @/ F# B: S$ h
3 ^. K, Y( [' p# u1 @1 }/ k& L, Ito go
^7 y( C) u* t
$ X1 i# J" A7 d+ yask turtles [do-business]9 \9 w O0 X# l9 R+ Q$ B; ~: {
end v) ` ]/ p$ T& n! r
3 m }, H0 I7 z7 ?6 o
to do-business
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6 {1 B+ m& o/ {% y9 W' o8 _" A3 u8 d' i! N5 A4 Z: D4 K
rt random 360) a6 |) a; N& e
f! J3 ^8 ]4 W, R2 }3 A
fd 16 F1 n" }* e8 X, h
8 a9 q2 ~. W" ?- q" S* M+ T( Zifelse(other turtles-here != nobody)[
4 k; N% ~ @* X x) q
9 A/ M8 |- N+ T5 O- \5 a/ y" Iset customer one-of other turtles-here: {4 F% N; ], P0 h I
5 ^) L+ T/ s- ]7 S1 r6 H* H" J6 v;; set [customer] of customer myself+ q+ n3 o: n6 G; G# m2 ]
- Q( x# D0 I6 Q' [set [trade-record-one] of self item (([who] of customer) - 1)8 D5 @ F) f# C) i1 A* {$ a
[trade-record-all]of self
, x+ r( f( n2 |$ Q" S! Y" @6 d0 E;;filter [item 0 (? ) = [who] of customer] [trade-record-all] of self
& X: c+ u: f0 }) V- ~" l; i. B# I" c2 r y
set [trade-record-one] of customer item (([who] of self) - 1)
7 t: m+ F" b! D" b. p( ][trade-record-all]of customer
l* U2 x$ P* p. h$ x* J$ D8 A m7 a* V( t4 M7 f
set [trade-record-one-len] of self length [trade-record-one] of self
: P! i8 m, O# E* \ m4 t o* Y, @$ Z+ u
set trade-record-current( list (timer) (random money-upper-limit))
' t% z( v. r2 R7 I2 T* J" H. n- {( d; T8 A$ F2 c0 _" n/ j& `
ask self [do-trust]% `9 r" ^" n5 O9 f4 C
;;先求i对j的信任度
, H5 R7 B5 z {- B* g3 s
, c3 M; I. D1 ?6 a$ T* K5 @ ]' Kif ([trust-ok] of self)
; R( }* T' n' D* a( q;;根据i对j的信任度来决定是否与j进行交易[
; s1 ]& @( B# F1 W0 v, G6 U: {ask customer [do-trust] if ([trust-ok] of customer);;这里可能会用到myself2 T1 ^. f @6 c% a6 ~
& t, q+ M% D* m" d* M3 ~. Z) W
[1 t# h7 ]. X! N5 x" R. [
$ k9 g" J7 x; O2 O; odo-trade
- a. e4 k2 W: M% c# ^& e: D0 ?. i# X$ l
update-credibility-ijl
) T, e) b: c+ P/ O0 d. i" j+ x6 _7 O
update-credibility-list
# }8 y# I! |8 x0 d
" D5 K; \5 R* I3 H f0 }# Z# d
; Z/ c" Z% O* ]- X0 t( w- R7 Qupdate-global-reputation-list
5 {7 N5 z8 ~" x5 g' ^' p/ R+ @+ n: l# ~3 \: @( Z3 e& b
poll-class
; S& ~* j0 H4 t5 d( |( q& w4 Y" K* B+ m* i/ |/ ?
get-color& v: l6 K5 |+ o* z2 L
9 T3 L) d8 B' _& o6 @]]/ `7 [+ l5 q& Y6 ]) p
0 d9 V. I: _% J/ F
;;如果所得的信任度满足条件,则进行交易
2 N' p: e9 S; d' I7 K0 {; W$ i- T( [! u8 a: d4 @
[1 d5 [4 I2 c. a- h# ~
9 ^6 J+ l: q% ~: }2 B! `4 Ert random 360; F4 [# t1 M! H. \7 t& @
) K7 G7 N! f; h7 T& ?
fd 1
0 h9 q3 s5 e) a2 C
2 S" ~- z$ L x, h: D]
0 l$ X; {- M, B* V# [# o! h- U5 k- H9 |0 h
end
% D$ g3 d* i+ g1 v4 h) R$ F/ }- v, p; f8 g5 Z% v! h7 _1 G
to do-trust
" }" ]. S7 {! M$ @4 D! b9 W/ wset trust-ok False0 o8 r, b2 F5 H4 {4 y7 I
1 w5 R$ k5 d' ~. r
2 [% C2 E- W4 J% X- c& Plet max-trade-times 0% U) a. b1 R- j; W [/ _2 B" r
foreach [trade-record-all] of customer [if item 1 (?) > max-trade-times [set max-trade-times item 1 (?)]]
+ O+ ?, w% j9 O: K3 l6 rlet max-trade-money 0+ K. G. i* Y8 Y3 m3 A* X
foreach [trade-record-all] of customer [if item 2 (?) > max-trade-times [set max-trade-times item 2 (?)]]8 p1 x: l9 n2 E6 E1 P. g
let local-proportion sqrt((item 1 [trade-record-one] of myself * item 2 [trade-record-one] of myself) /( max-trade-times * max-trade-money))5 n5 W, z8 D0 v% D7 Q8 u
( [8 p& w, ], Y A7 [/ i4 c
" n& j, [" Q, p8 b, g2 cget-global-proportion; ?7 e1 m( x, f4 L6 H/ G
let trust-value
5 Q2 S( t8 ~) i0 n" ?6 z& Z2 jlocal-proportion * (item 5 (last (item ([who] of customer - 1) [trade-record-all] of customer))) + global-proportion *(item ([who] of customer - 1) global-reputation-list)
. U2 ]# U9 f5 V( \$ S0 ^! S1 Hif(trust-value > trade-trust-value)
7 y. A- f; l" _" E5 b+ @" H$ j[set trust-ok true]
6 E- z# d' Q6 Y3 N6 [) J" w3 G. X: yend
/ a9 A! i$ r; i0 P @- a' E o9 x9 x4 v+ V
to get-global-proportion
8 r, W# f& J! o# E% J9 W n* Oifelse([neighbor-total]of customer = 1) and (trade-record-one-len > 3)
5 ~5 B9 t2 G; B, E6 V4 r[set global-proportion 0]! ^4 ?( y4 @- |& p
[let i 0
" m7 H, @+ }( z/ H4 g3 Flet sum-money 0
& y0 a$ D: {" J9 e; Twhile[ i < people]
& D* ~7 n7 A6 n E' ?$ e[
+ B# k: f& d& D" Vif( length (item i
! i; t* n$ h4 @. d" d' P1 `[trade-record-all] of customer) > 3 )+ s9 Q) K5 R2 C3 R
[# {8 ~. _% ]8 e6 o! b
set sum-money (sum-money + item 2(item i [trade-record-all] of myself))6 P0 ~6 c- y0 d& R
]
7 x( i/ @: m+ t- I$ u5 q]7 D' F/ F! [& \$ U: F
let j 0$ Y7 x# e n8 F! h8 N# b
let note 0
, }- z; s3 ]0 Xwhile[ j < people]
" f6 a7 H0 H5 }- e2 z* k[
1 a1 }. e# h3 r3 ^! fif( length (item i6 r9 c; }3 X, w
[trade-record-all] of customer) > 3 )
% L7 _) C& T' D s0 Q4 Z[
. j; I8 ` Q; ?- [5 e+ X7 f- Xifelse(item ([who]of myself - 1) [credibility] of turtle j != -1)
9 |% u1 s+ C1 K[set note (note + (item ([who]of myself - 1) [credibility] of turtle j )* item 2(item i [trade-record-all] of myself)/ sum-money)]' Z( X# G/ X# `3 O
[set note (note + (item (j - 1) credibility-list) * item 2(item i [trade-record-all] of myself)/ sum-money)]
! B1 Z( t1 t+ v" r* [5 {; q8 Z9 w]
! v; s: V/ ?3 X. W4 I]
" O' i' D+ n4 Y2 V8 E$ _2 ]: I) C Uset global-proportion note
n8 P- V& ?- ^" A; h7 N]( b. t/ M+ D* k7 f7 P
end
% F3 `# x4 v X [' {5 y, ^! a; u
2 j* J* [& D5 u" w* A$ P8 nto do-trade
! o# \9 L& G) \;;这个过程实际上是给双方作出评价的过程; z# x. U+ X! N
set trade-record-current lput( random-float 1) trade-record-current ;;本turtle 得到的评价+ m0 }$ }% a1 i4 S/ S0 v4 f
set trade-record-current lput( random-float 1) trade-record-current ;;本turtle 给出的评价4 P% z! {* t8 ?+ k+ s I
set trade-record-current lput(timer) trade-record-current
, `& y) D1 U" [# W0 m4 q, i;;评价时间
. ?" k6 q |) S, z& @) rask myself [; v8 i- }6 M6 m- _+ e
update-local-reputation
) d! e; }1 X4 A8 c) u9 {: Z0 Iset trade-record-current lput([local-reputation] of myself) trade-record-current8 l6 E; G2 C- g! a* C
] X, p3 C0 y, N, t, Z6 N5 h$ X
set [trade-record-one] of myself lput(trade-record-current) [trade-record-one] of myself
t4 ]2 Z7 A4 i% ~+ @+ A; t: B;;将此次交易的记录加入到trade-record-one中/ m0 N; i5 A; B, S( Z" u. J2 {
set [trade-record-all] of myself (replace-item ([who] of customer - 1 ) [trade-record-all] of myself [trade-record-one]of myself)
7 `' S$ a: _/ g/ xlet note (item 2 trade-record-current )
0 u6 Y f( p1 V( {7 x) K7 w$ [set trade-record-current
7 u1 p/ \1 j$ g& O+ s( Y(replace-item 2 trade-record-current (item 3 trade-record-current))
`5 V3 ]8 z& H5 \, O1 t" Aset trade-record-current
X: E; _& A+ n# S5 v2 R# d. R(replace-item 3 trade-record-current note)
9 b4 c, V2 j0 o; B( i! f9 F& ^/ k# S- U2 I: ]! g
$ l! J. f! k! Z/ D: |% ~! U* m( vask customer [, o- q4 \! T# P* Y3 M8 @
update-local-reputation! E' i8 a' g. Z
set trade-record-current
/ v K* y+ e. Z. L: _7 P: _4 v0 ^(replace-item 4 trade-record-current ([[local-reputation] of myself]of customer))
6 _0 R5 k, g" a% a. c]
8 i' [9 v" E3 n; O. T% A$ x
! \3 c$ Q/ S& J, f- j
; W6 I: S0 O! J: Dset [trade-record-one] of customer lput(trade-record-current) [trade-record-one] of customer
+ E" P7 a4 \& l7 {
7 h8 j) ~& B# m1 p0 t% ]2 F N7 r Oset [trade-record-all] of customer (replace-item ([who] of myself - 1) ([trade-record-all] of customer)([trade-record-one] of customer))
4 K3 \4 l8 y: a- m' d1 _* b4 d! G;;将此次交易的记录加入到customer的trade-record-all中) q& z) I4 V2 u, I
end( ]$ @; U8 p U" ~& h% Y$ e
; O2 c& P7 V4 `
to update-local-reputation
) ~) c9 j/ U' W, Gset [trade-record-one-len] of myself length [trade-record-one] of myself9 [9 T. D; w( f$ X- h
: n7 i4 B$ H0 T6 y- u! K$ d+ ~1 B: \2 ^9 i8 v- c6 I
;;if [trade-record-one-len] of myself > 3
" w9 H9 n$ n, Z- j( H! ]0 Hupdate-neighbor-total" q1 c1 d- W% u. q- v5 Q7 I
;;更新邻居节点的数目,在此进行: Q* I1 S+ ~4 @$ r0 H" o! p
let i 3; Y; u+ [ T- G4 G. `
let sum-time 0
0 ?7 b" t/ A4 U$ g) A. ]while[i < [trade-record-one-len] of myself]
" d" J, w6 t w) A! M c( O[
7 y, _) g& ]* \9 F6 X& [! ^8 h9 Q2 hset sum-time ( sum-time + item 0(item i [trade-record-one] of myself) )$ H) \5 H, S$ `: B
set i
1 z% }/ i- {, y$ E1 B* K) ^2 U7 ~( i + 1)0 P( ]) i$ {" E- A
]
! |* S% h8 X& V' j4 ulet j 3
% v& O9 O8 c" Ulet sum-money 0
! a: C' N6 u1 o: X+ _while[j < [trade-record-one-len] of myself]
7 A/ J8 g: o7 ~" J[# s) b; b5 C" [5 A& J" ?' R$ ~, n- A
set sum-money ( sum-money + (item 1(item j [trade-record-one] of myself)) * (item 0(item j [trade-record-one] of myself) ) / sum-time). y2 Y* m6 j9 ~2 R
set j, M' i: [$ R5 t2 X
( j + 1)
7 _' V$ n/ v, ^]
( _0 c$ G* f; X9 _8 _+ tlet k 3
3 \& ?# O; c& z( y' e/ tlet power 0
/ |3 B1 b! P4 \5 \! {0 d1 Hlet local 0, i1 {" f8 X6 l2 q0 D* b; L
while [k <[trade-record-one-len] of myself]
6 c5 E2 ]% j8 X5 r& u8 V0 F[0 q" F: A) |2 ]; u7 E
set local (local + (item 0 (item k [trade-record-one] of myself)) * (item 1 (item k [trade-record-one] of myself)) * (item 2 (item k [trade-record-one] of myself)) / sum-time / sum-money) + g; w/ _) u# i6 \1 v
set k (k + 1)
$ I' u. S- K/ \2 s1 C6 e4 B7 R], o2 @ s/ U. h0 m( e7 q5 ]
set [local-reputation] of myself (local)
* f' G, p8 c7 H8 ~ oend( ?; P1 n u' f( @
0 Q4 U# q- G7 N+ I2 A/ k, }9 N
to update-neighbor-total7 n9 C6 g, d \ n" L# T
! L1 O6 q: N4 R, ^- R# Q. K# xif([trade-record-one-len] of myself = 3) [set neighbor-total (neighbor-total + 1) ]
( V# Y* j: s7 n- d; {, J
, A( L- m3 t( a4 S2 T5 q% R9 v" ^! I: ^0 T! i7 C+ H! \# c
end
6 K' |) ?: z9 q N5 t2 B9 ?7 F
' k# N. Z4 a" x: B( Ato update-credibility-ijl
" c( V5 U) `# I' ?# _
. s# U" ?) M$ t( Q$ {% r a;;思路:每一次,当一个turtle发和另一个turtle成功发生交易作出了评价之后,就去搜索本次交易对象的邻居节点,对这些邻居节点的评价质量作出评价。
+ o: F% P: ^; qlet l 0) _# x& \2 d6 J. \ `- X1 L) J3 A
while[ l < people ], T: f7 c2 K1 D. U# B" T
;;对j的邻居节点的trade-record进行扫描,以对j的邻居节点的评价质量进行评价
' O o$ t; @* @0 z/ u; B[
" r% n. I+ A! T' {5 {let trade-record-one-j-l-len length item l ([trade-record-all] of customer), @+ U# E4 l% U
if (trade-record-one-j-l-len > 3)
# V N K7 I/ h# H3 \[let trade-record-one-j-l item l ([trade-record-all] of customer);;暂存那个评价质量正在被评价的turtle j的与l的trade-record-one+ j4 A* M& I: X! |# P1 [. s; x! O
let i 37 L; q; I1 Z. D; z6 R- Y+ W& Q
let sum-time 0$ K4 C! h4 l. D. D+ q% \
while[i < trade-record-one-len]
. [" C$ h5 I1 l[
* a6 Y6 W, W- M; R. k nset sum-time ( sum-time + item 4(item i [trade-record-one] of myself) )$ q. K/ s$ ^/ \* L* K' T2 r( I+ U
set i
6 Q4 q' G: p W; V' Q9 d/ z( i + 1)0 |# s- i1 X6 O
]4 t& \9 E D' H: Y; M
let credibility-i-j-l 02 c% N" U, G) x. b t; p: P+ Y# g
;;i评价(j对jl的评价)
" ^* u# S$ R: J4 O6 @. w) O0 Mlet j 38 K3 |/ ?; H1 g3 n& Y3 Z
let k 4
2 d& S9 r2 A# g8 E8 Vwhile[j < trade-record-one-len]
0 H& v& { K7 @8 b' W4 B[
. y8 P, J! r. d) }% g; ywhile [((item 4(item j [trade-record-one] of myself)) - item 4(item k trade-record-one-j-l)) > 0][set k (k + 1)];;首先要寻找在i第k次给l评价的这一时刻,l相对于j的局部声誉- `' i- l5 ?6 N. j
set credibility-i-j-l ( credibility-i-j-l + (item 4(item j [trade-record-one] of myself)) * (1 - abs ((item 3(item j [trade-record-one] of myself)) - item 5 (item k trade-record-one-j-l) ) )/ sum-time)# Q5 }5 Y4 F( |8 ^7 R
set j+ l+ ^) K E8 J# g4 f! j$ ^
( j + 1)
2 d9 \4 M, V& A: j]
" H9 L8 N5 m' [2 }! V3 g0 @: Fset [credibility-all] of turtle l (replace-item ([who] of myself - 1)([credibility-all] of turtle l)(replace-item ([who] of customer - 1) (item ([who] of myself - 1) [credibility-all] of turtle l) credibility-i-j-l ))
0 `2 g Q+ B# A3 J: ?. V
6 y- i$ G6 u: T% a" r
6 G& @3 A: z. m5 S. T; L! W# [3 olet note ((sum (item ([who] of myself - 1)([credibility-all] of turtle l)) - 1 ) / (people - 2))! Q8 L" n0 G1 s, [1 s0 y
;;及时更新i对l的评价质量的评价
: l$ E6 X, a( \1 `3 H& A @set [credibility] of turtle l (replace-item ([who] of myself - 1)[credibility] of turtle l note) ]6 O5 _, \& f1 b6 x1 X3 D6 v
set l (l + 1)7 p h+ @* B8 x& r4 I
]+ L' U8 C7 [# Z+ H+ W) ]
end
5 u: O; w2 Y7 ]# P1 z6 \5 X) n
6 y. E' Z6 u; ~# d* z+ Ato update-credibility-list/ s2 w0 k/ y% {* p6 F- ]. b4 ?
let i 0
6 W" p5 C; `7 u6 W2 vwhile[i < people]
6 I( O: w+ f& E6 I[
6 p3 R' V5 k6 }let j 06 i" V0 w3 y0 ?
let note 07 r: x# M: ]. w; Z
let k 08 m' J8 g5 s, O$ \6 U4 m
;;计作出过评价的邻居节点的数目9 Z5 H: C) p9 N& }; q# \' P
while[j < people]
6 O3 m, v7 k) y3 ^[
4 p0 U6 U$ @$ H: mif (item j( [credibility] of turtle (i + 1)) != -1)
9 T% I, e' f# n$ W( r7 R0 F;;判断是否给本turtle的评价质量做出过评价的节点+ O0 k/ z1 B# k; {" H- K
[set note (note + item j ([credibility]of turtle (i + 1)))2 u6 _. a: C! b+ @
;;*(exp (-(people - 2)))/(people - 2))]
8 W, j2 V* @" V4 C" Fset k (k + 1)4 }, j' U! H4 I3 f I
]
1 A4 F' A( S3 Mset j (j + 1)( a9 a% H; n6 k& P# w* L' S i
]; L }( G( e; `* B' q
set note (note *(exp (- (1 / k)))/ k)
- {: H/ z* W; m( F6 sset credibility-list (replace-item i credibility-list note)$ ^ J/ u) g, K+ U8 [! W
set i (i + 1)
3 d, Z: g( M2 N4 T+ ]1 z- N, d& ^]! l# u9 r# k* j1 z4 P# y
end
6 A* @# s- W0 k! P! b+ Q. Q7 w! q& {- E+ r& z' J0 D a1 S
to update-global-reputation-list) g% [& {$ v9 i7 ^/ o$ k8 Y! V1 U4 e5 D
let j 03 J0 q0 R1 T' E+ n
while[j < people]
. Q. L6 X% W, D3 e: ?2 t/ V[- |# I7 P' e/ W. O/ ~
let new 0$ S, U& w0 I# a3 S% d: E$ I
;;暂存新的一个全局声誉$ Z" V. Y9 A7 \) X
let i 0. P; a5 l/ _1 \
let sum-money 0; V& A+ ] J- I- G7 g$ \" ^
let credibility-money 0
% d! @9 Q- l- e- xwhile [i < people]
- ]( u: H% s4 G: V0 I) {/ b% N[
) y7 l( m5 x9 `0 h0 `5 qset sum-money (sum-money + item 2(item i [trade-record-all] of turtle (j + 1)))
F6 g' [2 W/ z1 Q4 [) r( k0 cset credibility-money (credibility-money + (item 2(item i[trade-record-all] of turtle (j + 1))) * (item j credibility-list)) D( h2 ~4 f& B2 Z
set i (i + 1)
: z( Y4 X- i- h3 K1 }]
# N, B# l- z. B1 j. H X& A1 jlet k 08 `, I, W* Z) l2 q
let new1 0
( o+ K. K9 F( j& Jwhile [k < people]
, |! ?) _8 F, Q) `" A* n3 R8 Q3 W- }[$ i* k5 N+ M* k# r% @' Y
set new1 (new1 + (item k credibility-list)* item 2(item k [trade-record-all] of turtle (j + 1))* (item 5 (last (item k [trade-record-all] of turtle(j + 1)))) / credibility-money)
" N1 F ~% ?! M4 k( A9 W: }! p5 eset k (k + 1)
. L4 ?! B$ x( ^- x/ A! G]
9 s# @% W0 v B" Y2 e; c# Lset new ((exp( -(1 /(sum-money * [neighbor-total] of turtle (j + 1))))) * new1)
0 U' I5 W$ q: h" fset global-reputation-list (replace-item j global-reputation-list new)9 g% H3 X# h& o% P) e0 E7 k
set j (j + 1)
3 q5 h) i4 I+ v0 s]- {! F$ O2 d- `/ Y2 z6 Q+ |% F
end
# a, z0 {+ H3 N* s6 t8 K9 \1 W8 `/ `7 y* b! X" Q
, K5 a7 }2 v4 F8 I7 ^
% F6 \! A5 Y. m7 Sto get-color
( [, z; c2 J6 L( ]* m# Q
3 w" w2 B m- k4 `! z" eset color blue
1 ?/ c! d7 @4 l9 Kend
E' J4 _* ^. {0 }6 Z+ c1 r) g0 U7 }
* D& f$ n; c# W& D9 Kto poll-class6 ]' K: W; N& [8 }6 g" W
end0 t4 t* ^1 c2 x2 \% a! z7 c
1 W' c& b& a, \- I8 r9 Jto setup-plot1
4 R* p% b) l% r# N, a
9 |, b8 h# k& T' \ M# \set-current-plot "Trends-of-Local-reputation"
+ I' G1 A" J( K4 A
/ ^4 d- K: f! Hset-plot-x-range 0 xmax4 m3 [0 M3 `! d* @3 w
1 @4 r0 u$ d5 I+ Y9 rset-plot-y-range 0.0 ymax
% w/ i+ ?5 y" k5 F9 F& P$ y$ Hend/ ?1 m- J1 w" x0 S5 m
* y- H6 R4 E, M6 [0 }. Tto setup-plot2
0 d$ \0 K- Y- e, G7 b3 |
2 ~0 `' B, C+ s. W# R" l7 yset-current-plot "Trends-of-global-reputation"0 N, b( c. k( K+ E7 ?
4 X( Y- n7 }. |" x5 g u* ]* o4 P
set-plot-x-range 0 xmax" d4 Q3 S' @9 y- D' L
" I0 _9 w4 w5 L$ G0 p2 r
set-plot-y-range 0.0 ymax7 R3 M9 Q: F# b: P( d6 Z3 R/ E
end9 }6 K) u" w( x3 r3 `
+ Z" V5 i. H) a/ M$ a
to setup-plot34 H* b: ]% I5 k: g2 O1 Q1 s
{& M' O& q% k8 W: vset-current-plot "Trends-of-credibility"
% E+ }' i( f. |- g0 T
; n- p9 V% A+ E. E, f5 Cset-plot-x-range 0 xmax
$ y' v8 c' c2 c; l9 }5 t/ E: W' q. r( |1 n
set-plot-y-range 0.0 ymax7 E5 E- M7 O( P) E. a: M
end9 i) s* `) s: n$ B. V% [: a7 y
H j J R( C6 S; K
to do-plots- o/ f, K2 k0 i* Q) X- L% P
set-current-plot "Trends-of-Local-reputation"
6 x S* ?3 Y; [' B/ h4 ^set-current-plot-pen "Honest service"2 Y( D; u/ x/ w" e
end5 D$ w& b8 U; A6 R. W2 ~
0 s$ i1 t: V9 d* [$ O
[ 本帖最后由 Taliesin 于 2008-3-19 12:45 编辑 ] |
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