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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
% h# Q( A3 w+ Q2 H& V7 Xglobals[' S$ {* R; V6 ]9 q' p, J
xmax
f/ v( P6 V/ V5 Z' y+ qymax
7 y& W; H; z1 B, `! |! m7 }global-reputation-list9 V1 h4 c) c7 L
3 I4 e3 q7 Z/ U) \* E6 m5 H;;每一个turtle的全局声誉都存在此LIST中
7 u, ?4 p, y. p4 x) o" R# Hcredibility-list" `( F$ F8 c4 u+ f3 C5 T1 N
;;每一个turtle的评价可信度1 F: Q0 S/ B+ `- \. ~: O! t" G& M+ Q
honest-service# J; z5 R' e v9 o; K2 h
unhonest-service# T! }! [* F! M2 U% Q/ p- Q
oscillation' `* K) x, u7 m, y; V! Q- P
rand-dynamic3 @, L7 m& ^* x& B0 n- |' K# x" W% K
]
6 I% f0 K! q+ S0 z3 }/ Q i; N" P: l. `0 ?& ?) k5 l
turtles-own[8 M3 l+ r- J: ~" G/ [' h) U; F
trade-record-all& ~$ E" t$ q" j% G+ V: [* _" M
;;a list of lists,由trade-record-one组成+ Y ^3 S; S4 F: W9 U$ r& H3 J
trade-record-one6 `9 R5 e4 M0 d! y) @! N7 T
;;list,trade-record-all 中的一个list,作为暂存用,记录两个turtles的交易记录
3 i, f: ~. o& i O' ?: \
3 b. _$ R& d/ g0 b;;[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]]. Q, `2 E# Q0 A
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]
+ V! O. R( J' W) Qcredibility-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: t% m" g+ \1 S. ]# u, v
neighbor-total/ e6 Y/ t5 o3 ~5 Q
;;记录该turtle的邻居节点的数目, V! e. |% F% L, _
trade-time& M% Q' z7 j" f, k! `* N" B6 `1 _
;;当前发生交易的turtle的交易时间- V7 j4 C5 ?9 q& Q/ I
appraise-give& l9 \$ C9 ^) s8 Y& `# y3 G' L: [* e
;;当前发生交易时给出的评价
1 m6 v. r2 G% l5 Pappraise-receive
! E2 }4 v1 V' c# V( _ h% {;;当前发生交易时收到的评价3 [* v7 Z0 }& S: U! k% D" V
appraise-time
f" m; K" V; D4 Z1 P. Q;;当前发生交易时的评价时间! L; k3 O% _) r/ [- O% p
local-reputation-now;;此次交易后相对于对方turtle的局部声誉
# ]6 X; o8 M a. [2 qtrade-times-total
) {) D) {: k1 `9 `" p& c u;;与当前turtle的交易总次数
/ h) {. |7 @: e# mtrade-money-total
5 ? o; O$ T3 m8 {8 l;;与当前turtle的交易总金额
8 ~( }# ]/ f# B7 ylocal-reputation
9 ]3 `0 d3 q" Z0 B; L% V% Hglobal-reputation
5 j; @0 r! F5 r3 Z# _credibility! d# O, n( u; G$ _7 O3 Q; e: B
;;评价可信度,每次交易后都需要更新
% ^- B1 M. T8 G! G+ t7 pcredibility-all
: V7 w* m, a* E, r. g; L; d;;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 @( U/ X$ r* A9 \5 l8 g
- G/ Q1 Y( w5 O0 r/ Q$ H2 N
;;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: W2 c8 ~0 W0 X6 t0 M
credibility-one
( T. A" t8 ^ A. f/ x3 d5 ?;;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
- q9 X, d( L; Eglobal-proportion
9 X! B: [* e) Q& lcustomer
" H1 c) E8 N/ @* V. fcustomer-no
1 h! p3 t- V& H4 y5 x$ X0 ?trust-ok
, k. C" L- j) B6 H/ ftrade-record-one-len;;trade-record-one的长度! r# Q4 ^" d1 R- @
]
8 \/ a( z* u8 K1 X8 [5 h
0 o6 o1 e8 f) B;;setup procedure
! ]. F$ ?1 z2 M7 t$ [* d/ R8 \+ }/ o/ ~
E2 Y; \% P8 U# K5 Mto setup
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ca
, g+ ~/ N6 c- w9 P% a% o# s9 t3 }8 Q
. R; b6 I5 r! winitialize-settings+ A3 F8 w \$ C( ^
9 C8 [8 {3 n0 U% `0 G5 bcrt people [setup-turtles]. N5 g1 I3 b) _/ i
, D4 c- w8 |6 e- `' U4 `9 q
reset-timer' h% I& c3 V ]4 }( P# n
8 h' t0 p3 o4 Y5 ]1 z# O# D) npoll-class6 l! J& V' Q& j; { }
9 a2 \/ I) n9 ?0 L5 F- T
setup-plots
5 U8 ]9 H( C4 e/ ^3 l# B5 d3 i4 g9 Y- L& A" g- o6 p+ H7 E2 Z3 H
do-plots
" {5 p @. d$ E1 oend
2 Q- F4 C; v' R* Z+ b
7 Z. V) e0 u- t& ^7 A ?to initialize-settings
0 I" j' [/ s) s. l+ I& K7 R1 s) i# R |3 j
set global-reputation-list []
1 \$ H0 _( Z, I9 h3 _9 G5 J
( m5 U; q% Y7 K6 Z7 vset credibility-list n-values people [0.5]
. B; f: A; W2 Y7 `+ t9 ^/ \2 c9 B5 C& q/ X9 O2 Y
set honest-service 0
' x/ Y' f3 e, ]2 E8 w# N4 i
, z& p6 ]( `2 o7 @2 x* Cset unhonest-service 0
7 F9 c. e: V% ~6 e4 G5 k7 J$ K( M: C, X3 Q
set oscillation 00 ? \# ]+ i& W. g w! V* x
) C; o. K! e' Z% U" {# v7 Sset rand-dynamic 0
7 f) c: X. N! y1 Pend
. x! Z' c% I2 E7 \: N3 Z) q6 j/ y3 d4 e9 l$ x! H/ `
to setup-turtles
& y5 `! l4 a1 \- G) qset shape "person"( P. y: q1 s! V: R' N' U" K! u) q( ]
setxy random-xcor random-ycor3 v7 h! R1 p' n6 e! H
set trade-record-one []
f( N, u# J; t# `# W4 ]
9 T/ x% A. b9 _/ |" M& @/ z9 Y: Y; Eset trade-record-all n-values people [(list (? + 1) 0 0)] ( t) g7 l& b6 i7 Z- y) O2 k& E
3 f7 x: k, c c( Y1 L+ y
set trade-record-current []
$ @; z j! d ^& f+ G% Lset credibility-receive []
8 q9 l& e5 [- N8 U" S6 Cset local-reputation 0.5& o& ] J6 u" [% ^1 K! l
set neighbor-total 0. i N8 d# D2 L, r3 e! h5 H
set trade-times-total 0
, R0 t4 }6 n% `0 [2 O! J aset trade-money-total 0/ S- t' W+ W9 l3 \/ E5 J; @: H
set customer nobody
7 O: L' _; ~' L1 _4 U! F6 Uset credibility-all n-values people [creat-credibility]3 c7 p3 [2 D+ f0 g: j
set credibility n-values people [-1]
- v" I" E. E5 x: l& F- hget-color( _$ o- P1 q$ E) v
! ?- r* k: e4 T$ x2 J" P$ f# Y8 ?end6 s) J# Q. `! i, T( t- s
8 t6 Y+ I# D! B: U* T! C5 k
to-report creat-credibility+ `* c, Z" p8 F; z! C
report n-values people [0.5]
k ^* m6 U2 J$ {, Gend
. R* V9 N5 t, x: L+ v% N/ K6 ^% u6 ~. G3 D |/ T6 `# a
to setup-plots3 H ` k3 V+ Z3 g7 C# B
7 Q( d8 {8 r8 X# C+ N1 e h7 Jset xmax 30 B3 {9 Z- w' ?& M2 V j5 S/ z
4 K; {" ]$ L! b, u: @. s
set ymax 1.0- p4 V& K6 o% e7 z4 S
; O4 [+ G+ S8 c* N- {# ^& x
clear-all-plots6 e% M V9 S% d8 Q! ]
5 L1 J% F; w( E# w6 Y; s; [setup-plot1
+ h) s. |& w' N) ~! G. J4 U/ G4 t3 y- Q* O. T4 `6 L
setup-plot25 W" `4 X7 z) r9 F+ w3 t
, u( j6 B ]9 ]) k
setup-plot3) e5 ]! a* s+ p7 F% t
end
9 V2 M, @5 } d8 p1 R. E+ f. u8 v
;;run time procedures
* v6 `% p4 p7 Y# x( U' z
% }* q6 Y0 u7 Z" @* Z Hto go0 k( V! \0 h% Y7 _+ P% O
: l8 ? k& a4 `, F9 N
ask turtles [do-business]
2 e9 N z2 O# c Hend- G7 ~- \3 Y/ ^8 l
0 Z7 b7 u7 D. C* T5 Kto do-business 6 A$ }8 v4 Z, ]: Z* {2 m$ e
t, t2 J0 t- [* A" Y& ~2 Z+ |" I5 Q# X' n7 c
rt random 360: C, U. q5 C6 D0 \2 J
! ?, f( C: p! R5 Ifd 1
5 H! Q& ?. _8 K
8 p" b/ y# F L: p/ Eifelse(other turtles-here != nobody)[
% q$ i3 i& F, v M0 m v3 h; o; P
8 a" V+ Y! m+ ~% p1 N/ Y0 `7 T3 `set customer one-of other turtles-here
& D' a- O" Q% h4 `! [" `4 h$ W; M4 n: q7 N; `
;; set [customer] of customer myself
* C Q& Y5 Q- C0 L* y
4 `) y" }6 E1 W( ?8 ?: u8 Z' `set [trade-record-one] of self item (([who] of customer) - 1)
/ |$ o' J. N7 f0 U% P1 z5 [[trade-record-all]of self
: g3 n B& |5 N5 E# U, U7 K;;filter [item 0 (? ) = [who] of customer] [trade-record-all] of self
6 A4 E/ y1 }; ^4 {
q" V: |5 i9 f, d- D, nset [trade-record-one] of customer item (([who] of self) - 1)3 l7 ?( U2 _& M* r3 p+ r& \
[trade-record-all]of customer# g6 w8 d& Q, Z7 Y. i
9 {2 {: n: _8 ^set [trade-record-one-len] of self length [trade-record-one] of self
+ w2 C7 g; ?+ T$ d. Q" X1 z b
" I7 b9 R* H, g; [* ~; p% k5 `: Cset trade-record-current( list (timer) (random money-upper-limit))
: H8 i- m% }. l$ H
0 K3 ^; s9 E5 ^8 ^8 e5 l6 @, V f$ z+ Jask self [do-trust]
+ \) h+ ] L3 W;;先求i对j的信任度" D0 e1 o( g/ `2 A1 h& `) G; j
2 D+ K+ i3 w2 B; zif ([trust-ok] of self)
% L# C ~9 f5 D( g2 |;;根据i对j的信任度来决定是否与j进行交易[7 B- g) w. A' e1 m# O4 c; V$ [5 {
ask customer [do-trust] if ([trust-ok] of customer);;这里可能会用到myself& I4 Y U5 N- ]+ k; D4 c- M% S
]; N% e$ T* a W0 X1 B w[" b9 }4 Z# G$ n# @# p0 J. H
3 T8 g5 m, U. T0 qdo-trade$ Z9 ^* k3 |" C X% `% s+ Q
; L( s" I5 y3 C3 f& Q6 _; Z2 u+ supdate-credibility-ijl
7 u( L# w4 i7 a4 M- p9 v, U$ u/ ^) ~& ]7 |' n! f, ?% X* d ?
update-credibility-list7 k, ?: [* X/ ], D3 D# v5 T
3 j/ h2 S& ]+ a
: x+ j9 q) P4 z0 Z6 fupdate-global-reputation-list
) |0 G/ r, Z7 Q9 W C* p7 {, E e7 V! j' C5 V; V
poll-class9 l; e; f" m* b
6 }& h" v. ^$ [& O4 lget-color) A5 Q. j; Y7 {' ?1 ]( ?0 w
# f* l3 h7 b U& V2 B8 @]]! `3 }* W3 z- n+ I4 [, r
/ z4 a0 `3 z6 J+ N: X;;如果所得的信任度满足条件,则进行交易
% H5 n% n- Z- T% x# `' x& k& N1 h. R' Q! u6 _# {
[
) } c# G) X7 {+ L* X( C- p! g
* P; n% p$ U& W3 g1 jrt random 360+ V) @4 `0 K S. w$ a5 D5 z
2 M. V& ?- X. j* C: D2 e; K1 gfd 1$ g+ }1 W) H/ b$ T
/ {+ l- v) X. @8 \# `
]
6 @3 w# f3 G/ z8 K% t
) C& O8 o" G4 m6 `, Yend5 S3 B$ U& d7 p' ]
5 e; C, i* u; B' j5 R$ l; yto do-trust 4 E3 ?" Q. c" T0 C: o$ p
set trust-ok False# G' I: o' q" J2 N
& f: D, o C, I
$ r5 }3 X, z* W. G1 T5 v" A
let max-trade-times 0
1 S' a/ D' ~/ B6 @9 o7 qforeach [trade-record-all] of customer [if item 1 (?) > max-trade-times [set max-trade-times item 1 (?)]]" l/ _% j! c I
let max-trade-money 0" |4 b0 h) N8 d: x/ h
foreach [trade-record-all] of customer [if item 2 (?) > max-trade-times [set max-trade-times item 2 (?)]]3 s& }; e T0 n3 a0 D( ~
let local-proportion sqrt((item 1 [trade-record-one] of myself * item 2 [trade-record-one] of myself) /( max-trade-times * max-trade-money))9 n6 O) L$ K* k' a" m6 _
5 O/ g* v0 s; G9 p$ {: T# c
5 K m9 G) [% gget-global-proportion
/ e# s6 X+ m* @" G7 B' Ulet trust-value
* g4 ?$ O$ M7 b: _' u Clocal-proportion * (item 5 (last (item ([who] of customer - 1) [trade-record-all] of customer))) + global-proportion *(item ([who] of customer - 1) global-reputation-list). [9 r4 ]/ q: q K4 ]) ~
if(trust-value > trade-trust-value), s" g* B m1 D+ W
[set trust-ok true]
& s! B$ V9 x( d L' S/ \end/ j2 D R* D4 f0 }; J
% I- m5 z# c- _2 c& s# O+ Q
to get-global-proportion" N1 m- K. A% z- Z/ H1 _
ifelse([neighbor-total]of customer = 1) and (trade-record-one-len > 3)
: H& A2 w2 k/ f[set global-proportion 0]
; u& i6 t' o9 N[let i 00 I4 |5 w* H' U Y5 c( I4 x
let sum-money 0
7 n$ @, {. r2 k' \; ^8 h! Q* ewhile[ i < people]
( g+ ]% V3 G A; c& P$ F[& V" @& y- w( C0 l5 I6 ?
if( length (item i& K" i0 C* b' o( D
[trade-record-all] of customer) > 3 )
/ O9 @9 T% K0 `+ i" P$ O) g[) @7 R$ e" ^2 @# P$ S4 k+ x
set sum-money (sum-money + item 2(item i [trade-record-all] of myself))0 t$ B- k- n; U% L4 E7 {9 d
]
) G6 v" R. B% R/ n3 X]
8 K# Y+ R t9 M" i2 [' V) `let j 0
% d0 n0 f/ a2 Q S% H# elet note 0
9 N1 V; v7 P& g7 Z+ o+ @% \while[ j < people]: D9 L- s1 E0 Z$ A
[) c5 w1 ^4 ]/ g; ]3 S& L1 }
if( length (item i
4 v3 j% A6 Z( I8 ^7 r[trade-record-all] of customer) > 3 )
, {3 p }4 ~- h8 p[7 `" \/ q F0 l; m* D
ifelse(item ([who]of myself - 1) [credibility] of turtle j != -1)8 k% @- P; N. J0 [; j: V+ p' s
[set note (note + (item ([who]of myself - 1) [credibility] of turtle j )* item 2(item i [trade-record-all] of myself)/ sum-money)]& K, J. j* c+ I1 k" u6 O
[set note (note + (item (j - 1) credibility-list) * item 2(item i [trade-record-all] of myself)/ sum-money)]8 @% w* [/ n/ p; ^
]8 Q0 Z ^; N5 a5 y6 b- V) M! u N/ D6 V
]
) H( Q" r* C( o- x! ?set global-proportion note3 x+ b& S. Z. n- W( S
]
G8 n& v* n4 \& a Q8 K" [+ Y- gend
" A; A* v5 X3 B
; f5 z E! x( A( K7 h S/ Eto do-trade) \% U0 d) B. u) z
;;这个过程实际上是给双方作出评价的过程$ U' m8 k9 J& v# D+ u. x- I9 x/ }! O
set trade-record-current lput( random-float 1) trade-record-current ;;本turtle 得到的评价7 W1 e/ l' E x2 Q
set trade-record-current lput( random-float 1) trade-record-current ;;本turtle 给出的评价
, m3 v5 M- }% B8 V' H$ i; ^set trade-record-current lput(timer) trade-record-current
' A" [$ V; l2 c;;评价时间! G! Y+ c- T' i$ Y W) M
ask myself [! X; s& u6 R" Z: p1 w5 Y+ C- A
update-local-reputation
5 K: S( A1 k# D4 R! Bset trade-record-current lput([local-reputation] of myself) trade-record-current
$ `* v' f3 x7 f" K% _]- `) w* O8 U8 z, B/ {
set [trade-record-one] of myself lput(trade-record-current) [trade-record-one] of myself5 x" T5 k& N, p( y
;;将此次交易的记录加入到trade-record-one中
: _; [" @' _ o" }! z# ?( f/ \set [trade-record-all] of myself (replace-item ([who] of customer - 1 ) [trade-record-all] of myself [trade-record-one]of myself)- [9 Q8 D T: _% ]- V- J% u
let note (item 2 trade-record-current ), k6 B* ~* ?: L3 s& x
set trade-record-current4 S9 F" Y7 \& _7 C% g6 s1 E7 R
(replace-item 2 trade-record-current (item 3 trade-record-current))
. M- ]% K( K* j/ f4 k6 p# r1 ?( R1 Jset trade-record-current
|1 y5 t, A% t; ?* I0 G$ i! O(replace-item 3 trade-record-current note)
8 i& \* _6 y, V9 H
( {" C. g6 G% ~: x6 b$ c8 a6 l; T3 d, v5 c5 Y
ask customer [$ A$ L1 g; M5 x* U W' V
update-local-reputation
, j9 L5 T% ?* m }0 D* u( sset trade-record-current4 i& x# ]3 x7 `; R
(replace-item 4 trade-record-current ([[local-reputation] of myself]of customer)) 8 ~: P m5 ~. f& ?- w- |0 S2 Q
]$ L0 C0 X2 p( B, ]
+ C( ^" |5 q$ a. {. a; `
* N; d+ T5 D4 I, i' R/ yset [trade-record-one] of customer lput(trade-record-current) [trade-record-one] of customer
+ z, ?4 D2 t0 c* J+ C) u* \
: s0 ?3 T. X0 E% e7 F/ z: R+ A: vset [trade-record-all] of customer (replace-item ([who] of myself - 1) ([trade-record-all] of customer)([trade-record-one] of customer))
0 x) w& g5 @$ V;;将此次交易的记录加入到customer的trade-record-all中+ Q1 H0 C2 _ m4 F6 f5 I
end6 \ q# O% P% P. f+ R2 W& M
" R/ [0 U- u! n8 q3 V; ^to update-local-reputation2 ?4 F( \9 ~8 @) e% y% |% _" Y
set [trade-record-one-len] of myself length [trade-record-one] of myself
. J- h$ x- K( u9 a" P9 _: C, |6 U" c% f, B
/ n$ h- L! b4 x& `5 x5 ~ \;;if [trade-record-one-len] of myself > 3 7 ?, |0 i" v& K5 s; g8 p6 W' H9 D: d
update-neighbor-total% V& _$ A U x& s* f9 X
;;更新邻居节点的数目,在此进行+ i+ N/ X2 q3 p2 N6 y1 X
let i 3) q$ P5 \ p& V/ `, U. o7 A Y
let sum-time 0
1 f- @+ X7 W, X3 vwhile[i < [trade-record-one-len] of myself]+ h, k5 N3 e: w. Y
[& m$ c* D v1 }' _' o# j5 t
set sum-time ( sum-time + item 0(item i [trade-record-one] of myself) )7 q$ D$ |% q0 P, F3 l" X
set i1 W* {" I) o J: U/ [* O& ~7 f
( i + 1) K5 B; ~8 f1 F" k9 x; R
]
+ N! k1 q% N- f4 z( {! ?- s! Slet j 3
" V7 H3 E6 e! w( |0 R( o/ Klet sum-money 0/ n8 v! `3 `) p1 q3 u9 o1 d0 p
while[j < [trade-record-one-len] of myself]; a% ]' r6 Q _$ K" @+ q( X
[
$ C# Y" n8 Q8 w$ v# ^8 U2 }) Cset sum-money ( sum-money + (item 1(item j [trade-record-one] of myself)) * (item 0(item j [trade-record-one] of myself) ) / sum-time)
9 F/ B. K" g# Y* t* J' S" Sset j
+ w( r% p2 ]' p% Y( j + 1)& O' V' {# D- m4 W3 n
]
3 W1 G0 @* n: W. b0 W* i0 Llet k 3; u, T5 @* e+ g; L
let power 0
4 A) R1 I) E; w, @let local 0
9 ~: G4 Y7 b' s. P, G4 Ewhile [k <[trade-record-one-len] of myself]% J7 J# a8 ]' C5 M C- ?4 m- [
[+ M: U5 u% W& c
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)
% m( z. k( ^) W3 Xset k (k + 1)
" @" m0 ^% d! L: g* H5 P8 P' R+ `5 w]
% P9 p8 D' {$ ~( Q( Hset [local-reputation] of myself (local)0 `* l' e( {" r; |0 ^" x: V( j
end: s7 L# L& S1 J2 r
. k$ H! c* q5 ?! r3 m! mto update-neighbor-total( G& F: H) t- I; Y( A H. E# @
) R; j3 x6 G# P s! v. Hif([trade-record-one-len] of myself = 3) [set neighbor-total (neighbor-total + 1) ]. E5 o- }8 Y# R, ~! d9 q T9 i8 A p/ ~
! z, [) r' ?: N: C) B7 G0 I l2 F( T# H' h& s$ n5 F
end
6 c* G3 G& ^/ @7 V. F
; X* d' I( w/ C2 J; \to update-credibility-ijl
* }7 ]8 u" P- ^+ s" u, A3 E
& E/ p* T, _) m! h! L1 s; f; p;;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。
) j* H1 `8 @- u8 g4 Z! ~7 Qlet l 05 `8 U. F2 o0 s
while[ l < people ]0 j& C* `4 e! Q0 ^
;;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
4 K( P/ G4 w( k& z7 t[4 X: u% ?' j' V; A/ Y+ [+ i0 T
let trade-record-one-j-l-len length item l ([trade-record-all] of customer)
* A/ _- O: ~+ G+ sif (trade-record-one-j-l-len > 3)
* h1 b' N, z0 L, q$ P7 S. r4 ]! H$ d[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$ D" N! M* a* p' [
let i 3
2 p1 M6 V; W; Q9 v6 b" `: ylet sum-time 0
; `( V7 H# `/ d+ i; Pwhile[i < trade-record-one-len]
7 C& R# n1 I9 h% k/ O) ^[) \2 l/ i, b3 [
set sum-time ( sum-time + item 4(item i [trade-record-one] of myself) )
& O- a( q2 @+ K$ W& @. f! pset i( k( |( v% k/ ]: Q( H" j9 Q
( i + 1)
5 V9 V$ d7 u' ^+ r6 [8 k]
# U7 v% `- g* q2 g) Xlet credibility-i-j-l 0( Z7 T( {+ B+ m) r! O' v
;;i评价(j对jl的评价)
4 _+ m1 t1 W' k4 n% dlet j 3& p, R, f0 |1 y( a0 Q' O/ @( V' Y' J4 z
let k 4
0 ~5 M% ~% ]. S" K1 owhile[j < trade-record-one-len]
4 `8 t' S- t& ^3 X2 C. N[6 L0 V4 P n/ W+ J5 A/ v# r( O( [% M* w& E
while [((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
2 z1 }% G, { j4 U/ l' wset 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)
* d+ G$ Z$ T! Q& I) ^* Yset j
, b* I/ R/ x- ?( [4 E4 V6 v4 Q6 F3 t( j + 1)) o+ Q t* q" B% c8 ~
]3 r! k# g" _: s# G
set [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 ))
* A5 x6 _* i3 d7 S1 ]) o6 F" V) ^' v- b. N9 r
3 D) \. f) I. g' d6 I
let note ((sum (item ([who] of myself - 1)([credibility-all] of turtle l)) - 1 ) / (people - 2)): a$ ]" d5 ~$ y0 M$ Z* ^5 z: S
;;及时更新i对l的评价质量的评价. v& z2 M" S/ i# O \3 F q1 a# J$ l
set [credibility] of turtle l (replace-item ([who] of myself - 1)[credibility] of turtle l note) ]
: W; t/ a1 `7 r1 W2 rset l (l + 1)% R8 G' Q( s% J/ A+ e: v
]! |3 T6 P4 j( u. f* q/ |' T7 C
end( i$ R/ b. |$ L3 V$ v2 Z
- H( ^9 i6 j' I4 j5 R, ato update-credibility-list
6 h0 a7 n7 E# n2 D! g, flet i 0
1 d. l/ \: K/ x3 Q, b6 ~while[i < people]
: @7 g5 [! R! e+ }! x' f7 w! v1 F[
3 M+ s+ C4 O5 K% V( y7 x$ vlet j 0
/ v2 K0 y5 P$ k A( F' I5 i/ rlet note 0
( F) X- \0 i7 F$ C. D# w3 dlet k 0
: o& \2 N; w( N;;计作出过评价的邻居节点的数目5 z, \! ~* z' d7 @3 w- M, S
while[j < people]
7 ^3 }; i% u7 z0 }$ F8 ]: J[7 m* A1 Z& i1 s; k4 @ V
if (item j( [credibility] of turtle (i + 1)) != -1)" e3 Y. r1 q' C6 `4 {
;;判断是否给本turtle的评价质量做出过评价的节点
0 m% k3 V9 t9 u( Z3 x6 E2 r[set note (note + item j ([credibility]of turtle (i + 1)))2 r, `' L+ [4 V1 @5 w6 u
;;*(exp (-(people - 2)))/(people - 2))]2 q/ d7 T9 K, J" ^) `. r: X
set k (k + 1): u0 X' z; T- ^! g8 A. h
]( i: j W+ M0 ?( K
set j (j + 1)
. h. s6 k* f5 e]" ^) T9 r- B' E5 q. Z
set note (note *(exp (- (1 / k)))/ k)
5 d0 H% B9 N) h/ `4 j Hset credibility-list (replace-item i credibility-list note)
, p1 s$ T/ a, a8 d/ P: X5 X$ gset i (i + 1)& ]; a% O1 ]* m7 g! _+ m) T
]" J0 l5 W% \) T* ^0 h
end
2 I' t6 Z h3 q: M( {2 S7 I1 R( ]) ~
to update-global-reputation-list* t. d& a& E8 f( w$ |& E) j
let j 0
, E8 d0 m, x1 n7 B# y3 ?while[j < people]
) }5 Q6 l4 U" Y7 K- W[; V. s- p3 c; M: e9 C) `% B
let new 0
% n+ f; F% i& V$ f6 c! g;;暂存新的一个全局声誉: `0 ^1 y1 S/ L3 J+ @6 { y
let i 09 s1 G" o; L7 P4 C; S& B
let sum-money 0# D+ D# {7 ]& i; l& G
let credibility-money 0
7 t3 H! r& k) o1 n3 ewhile [i < people]) }" g: I- o5 S1 q
[
+ j& \$ ~0 N% o6 [* Pset sum-money (sum-money + item 2(item i [trade-record-all] of turtle (j + 1)))
: U' R" {: k0 Sset credibility-money (credibility-money + (item 2(item i[trade-record-all] of turtle (j + 1))) * (item j credibility-list))
- p# @; e( Y1 o" dset i (i + 1)
- ]% ^! {$ u# x( p% V7 g]
. X5 t1 ^% v) G, Q, olet k 02 P) k, \8 j" V F1 d1 ?
let new1 02 i9 m' s, u* Q( i; L0 P7 \8 G$ q! O
while [k < people]. b" P8 u. x' B: x3 `6 w
[
) s7 r4 a7 u5 X: t. f2 R* n" {3 lset 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)6 Z5 }6 N- \* Y! N2 n; d8 o
set k (k + 1)
, P" N" o9 x/ W' Y) h+ Q( y# Y: z- b8 T]# k8 s+ T- u" \- z; ^
set new ((exp( -(1 /(sum-money * [neighbor-total] of turtle (j + 1))))) * new1) 8 L8 W! H. }, D& n# b4 P, V8 {( ~) f
set global-reputation-list (replace-item j global-reputation-list new)
* o$ a! @9 }4 h! R+ Q9 n" |set j (j + 1)
1 R8 m9 X9 q' c0 R M7 E* o]9 g$ O5 o8 O& [' x
end
5 H. H" w/ k. \! `
2 `; ~+ w& ^2 n. V4 v/ L
( }! O/ |* o# n |/ B& l) e- i2 B1 k' V* k8 t7 W4 {
to get-color
$ d% w7 C" a3 h/ t- b3 `- C$ T: u( W6 N5 n
set color blue9 D" N; G' e1 G5 R; h9 |1 n8 y% ~
end5 V" K. ?. K8 |& M$ L6 d7 P0 {
3 D9 R4 c! v' X* q- P! h2 ]) c
to poll-class
3 l! z1 J+ a" v! ]end- A- {% @* D- b0 B3 p2 j# D
. K* P( O3 f/ B; r( Qto setup-plot1' V t e: @% I) t. [& e8 R
( ~: x4 F4 f& H+ Mset-current-plot "Trends-of-Local-reputation"
2 a$ F9 k7 P$ u, E# I- o
' O5 }8 ~% Q0 U. R: _* E' s" x0 Oset-plot-x-range 0 xmax* g6 ]* k; r; e; U# S J
" A9 J$ E8 b: a
set-plot-y-range 0.0 ymax2 {+ W3 f4 F( v* ]7 F5 _' t
end
4 P W1 v; R; D% G/ ?
% F; Q; S# v4 ]0 N0 V/ i* Kto setup-plot2
$ Q* c. M# j! Q2 ^8 ]4 o4 y0 I: ^5 t0 P. B1 r e
set-current-plot "Trends-of-global-reputation"
! P4 J5 ], q) ^, J+ b* \
# F R1 t! M* |" lset-plot-x-range 0 xmax# h1 I6 @& b" Q- U3 R' p
6 M: v7 F+ {4 i5 Z- g& O; _5 M( p! K
set-plot-y-range 0.0 ymax' F2 v0 j# w7 m+ m% j7 ^) H. C
end7 g0 V' ~+ h0 G- H9 D
4 x$ L! m7 W' O1 _, Uto setup-plot3
# U0 R8 D' b7 o% o# P; ], O! D$ [6 d4 C
set-current-plot "Trends-of-credibility"0 P" p' n8 j9 _5 k: z4 [; W& z
8 H. H9 w# ]8 N. a, ?" m! yset-plot-x-range 0 xmax
; y% n" { f* J! a" T5 ]
: J8 d# [5 _+ f$ E3 P4 X) o) zset-plot-y-range 0.0 ymax
- J; C5 H' M# t3 ]- Oend
- S- Y4 M( \$ d% a! u3 ~/ R$ x$ Q) i2 ?! J1 `
to do-plots
- A& P* h8 E, D0 U" H/ Pset-current-plot "Trends-of-Local-reputation"
( p; ^+ Y' ]& q0 G* f" _5 |; o4 W# nset-current-plot-pen "Honest service"4 R n' E ^$ C3 r/ X0 d
end* J/ k6 \/ ]- d
3 {' G1 B y, t. Q$ c% A[ 本帖最后由 Taliesin 于 2008-3-19 12:45 编辑 ] |
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